MCAT Physics Chpter-5, MCAT Physics Chpter-5

MCAT Physics chapter wise notes, ECAT PHYSICS Notes chapter wise, free notes for entry test, free MCAT MCQS PHYSICS, free notes download for entry test preparation, Physics intermediate notes chapter wise free download

Physics Notes for MCAT, Physics notes for ECAT.

1.	A ball tied to a string is swinging along a horizontal circle,the tension in the string is minimum at
	a)	Top	b)	Mid way	c)	bottom	d)	Same at each point
2.	The ratio of dimensions of angular to linear momentum
	a)	[M]	b)	[ML-1]	c)	[T]	d)	[L]
3.	If the centripetal force required to a body in a circle of radius r is F1 ,if the same body has to move in circle of half radius then centripetal force will be
	a)	2F1	b)	4F1	c)	F1/2	d)	None of these
4.	If the angle between Pakistan and Egypt is 120 ,a geostationary satellite is now at Pakistan sight ,then after how long it will seen on eygpt sight
	a)	6 hours	b)	8 hours	c)	12 hours	d)	never
5.	If a satellite need less critical velocity,then it has oto orbit at
	a)	Low height	b)	Greater height	c)	No effect on height	d)	None of these
6.	On a rotating body ,points on different distances do not have same
	a)	θ	b)	α	c)	ώ	d)	ac
7.	If a body is moving in a vertical circle then its angular displacement has direction
	a)	Along the tangent	b)	Perpendicular to axis of rotation	c)	Along the axis of rotation	d)	None of these
8.	Which of the bigger unit of angular displcement
	a)	radian	b)	degree	c)	revolution	d)	none
9.	If radius is same ,which of the following has greater moment of inertia
	a)	disc	b)	hoop	c)	rod	d)	sphere
10.	For which of the following bodies,smaller force is required to rotate
	a)	disc	b)	hoop	c)	rod	d)	sphere
11.	Two particles of the same mass have unequal linear and angular momentum,they can have similar
	a)	velocity	b)	Distance from axis of rotation	c)	both	d)	None of these
12.	Global positioning system is best peformed by…..satellites
	a)	Close orbiting	b)	geostationry	c)	Medium orbiting	d)	None
13.	To move an electron in its orbit centripetal force is provided by
	a)	Its weight	b)	Gravitational force	c)	Electric force	d)	none
14.	If you whirl a stone in a circle and string breaks then it means
	a)	Fc>Fr	b)	Fr>Fc	c)	Fc=Fr	d)	None of these
15.	If earth’s gravity is changed then which weight will change
	a)	real	b)	apparent	c)	both	d)	none

 

16.	Angular speed of minutes hand of watch is
	a)	π	b)	π/2	c)	π/30		d)	None of these
17.	A body moving with a constant speed of 2ms-1,still have acceleration it is moving along
	a)	Straight line	b)	circle	c)	Not possible		d)	Both possible
18.	Gravity can not attract
	a)	Matter particles	b)	Charge particles	c)	light		d)	none
19.	Moon’s orbital angular velocity is …..than spin velocity
	a)	smaller	b)	greater	c)	equal		d)	none
20.	Which of the following weight can never be zero
	a)	Real weight	b)	apparent	c)	d)	All of these
21.	More rotational frequency is required to generate artificial gravity if size of satellite is
	a)	reduced	b)	increased	c)	Size donot affect		d)	None of these
22.	According to Einstein concept light passing closer to sun will follow
	a)	Straight path	b)	Geodesic path	c)	Circular path		d)	none
23.	For satellite communication we use electromagnetic radiation of wavelength in
	a)	Gega	b)	Nano	c)	Micro		d)	all
24.	For earth which kinetic energy is greater
	a)	spin	b)	rotational	c)	Both equal		d)	None of these
25.	If mass of stattelite is doubled then its orbital velocity becomes
	a)	half	b)	double	c)	4 times		d)	No change
26.	Weightlessness in a frame of reference can be observed only
	a)	Inside frame	b)	Outside the frame	c)	From both		d)	None
27.	Centripetal force and centripetal acceleration is always
	a)	parallel			b)	perpandicular
	c)	antiparallel			d)	none
28.	Which of the following will always be same for spinning and rotating body
	a)	velocity	b)	K.E	c)	Moment of inertia		d)	Angular momentum
29.	Angular frequency has units similar to
	a)	frequency	b)	Angular velocity	c)	accelration		d)	none
30.	You  make a jump on the surface of earth and moon,for which you attain greater height
	a)	earth	b)	moon	c)	Equal height for both		d)	None of these