Physics Notes for MCAT, Physics notes for ECAT.
a
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1.
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Viscosity
of the fluid is
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a)
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Constant
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b)
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Can vary
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c)
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Zero
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d)
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All
of these
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2.
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Two
fog droplet have radius in the ratio 2:3 their terminal velocities is in the
ratio
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a)
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4:6
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b)
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4:9
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c)
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2:9
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d)
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None
of these
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3.
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Venture
meter is used to measure
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a)
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Fluid pressure
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b)
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Fluid speed
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c)
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Fluid density
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d)
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All
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4.
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In
cricket when a bowler produce reverse swing then ball will move towards
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a)
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Shinning side
of the ball
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b)
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Rough side
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c)
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Seam of the
ball
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d)
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Goes
straight
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5.
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Systolic
blood pressure is called
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a)
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Low pressure
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b)
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High pressure
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c)
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Normal pressure
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d)
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Abnormal
pressure
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6.
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A
chimney works best if air exposed to the chimney is?
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a)
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Stationary
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b)
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Moving
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c)
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Moving slowly
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d)
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Moving
fast
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7.
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Body
will move terminal velocity when it acquires
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a)
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Minimum speed
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b)
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Zero speed
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c)
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Maximum speed
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d)
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None
of these
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8.
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The
direction of streamlines is same as direction of
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a)
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Force
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b)
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Torque
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c)
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Velocity
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d)
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none
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9.
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When
fluid is in motion then its flow can be considered as
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a)
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Laminar
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b)
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Turbulent flow
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c)
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Either of them
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d)
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None
of them
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10.
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Speed
of efflux depends upon
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a)
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Height
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b)
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Nature of fluid
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c)
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Nature of
orifice
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d)
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All
of these
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11.
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Maximum
blood pressure has minimum value when a person is
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a)
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Lying
horizontally
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b)
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Standing
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c)
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Standing on
head
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d)
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All
have same
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12.
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Viscosity
is
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a)
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weight
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b)
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Damping force
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c)
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Driving force
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d)
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Frictional
force
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13.
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Bernoulli’s
theorem is law of conservation of
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a)
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Mass
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b)
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Energy
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c)
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Momentum
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d)
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None
of these
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14.
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Drag
force is proportional to speed for
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a)
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Low speed
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b)
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High speed
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c)
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Any speed
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d)
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Zero
speed
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15.
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The
rate of flow of fluid is expressed in the units of
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a)
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Nm3s
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b)
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Kgm3s-1
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c)
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M3s-2
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d)
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M3s-1
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16.
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The
coefficient of viscosity is expressed in units of
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a)
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Kgsm-1
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b)
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Kgm-1s-2
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c)
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Kgsm-2
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d)
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Kgm-1s-1
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17.
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A
fog droplet falls vertically with an acceleration
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a)
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Equal to g
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b)
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Equal to zero
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c)
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Less than g
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d)
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Greater
than g
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18.
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A
vibrating body shoot out its mean position due to
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a)
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Its inertia
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b)
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Momentum gained
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c)
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Both of these
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d)
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Restoring
force
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19.
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Decrease
in pressure cause
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a)
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Increase in
velocity
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b)
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No effect on
speed
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c)
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Both possible
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d)
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None
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20.
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Viscosity
depends upon
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a)
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Velocity of
fluid
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b)
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Temperature
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c)
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d)
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Nature
of fluid
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21.
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Which
of the following does not work according to resonance
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a)
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T.V
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b)
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Radio
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c)
|
Microwave oven
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d)
|
bulb
|
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22.
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The
distance covered by a body in one complete vibration is 20 cm. what is the
amplitude of body
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a)
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10 cm
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b)
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5 cm
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c)
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15 cm
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d)
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7.5
cm
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23.
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In
case of simple pendulum ,the cause of damping is
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a)
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Drag force of
air
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b)
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Gravity
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c)
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Tension in
string
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d)
|
all
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24.
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The
blood flow is……..flow at disystolic pressure
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a)
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laminar
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b)
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Turbulent
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c)
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mixed
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d)
|
None of these
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25.
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Concentration
of red blood cells in blood
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a)
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25%
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b)
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40%
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c)
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50%
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d)
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75%
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26.
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Terminal
velocity is
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|||||||||
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a)
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uniform
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b)
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Maximum
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c)
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Uniform and
maximum
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d)
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None
of these
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27.
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Which
of the following has least coefficient of viscosity
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|||||||||
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a)
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Milk
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b)
|
water
|
||||||
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c)
|
Tarcoal
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d)
|
Engine
oil
|
||||||
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28.
|
Two
fog droplets have radii 2:3,their terminal velocities are
|
|||||||||
|
|
a)
|
4:6
|
b)
|
4:9
|
c)
|
2:9
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d)
|
3:4
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