Physics MCAT Chapter-1 MCQS

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MCQ’s  Physics chapter no 1

Choose the correct one

1.	The “first light “of big bang recently detected by radio telescope as
	a)	Sound waves	b)	Water waves	c)	Radio waves	d)	None
2.	The range of middle size things is
	a)	Molecules to atoms	b)	Electrons to molecules	c)	Molecules to earth	d)	Molecules to sun
3.	Tera is the prefix equal to
	a)	1012	b)	10-12	c)	1016	d)	1019
4	Power in terms of base quantities
	a)	Kgm2s-3	b)	Kgms-2	c)	Kgm2s-3	d)	none
5.	Which one is the least submultiples
	a)	Pico	b)	femto	c)	atto	d)	neno
6.	What are the  dimensions of the gravitational constant G
	a)	M-1L3T-2	b)	ML2T-2	c)	MLT	d)	M-1L-2T-3
7.	The measurement recorded as 9.40×105 kg has significant figures
	a)	one	b)	two	c)	three	d)	five
8.	1kg of mass is equal to
	a)	9×1016j	b)	1.64×1019j	c)	9×1016j	d)	9×102j
9.	The travelling time of light from Pluto to earth
	a)	1 min 20 sec	b)	8 min 20 sec	c)	5 h 20 sec	d)	6 h
10.	Closeness of measured value is called
	a)	accuracy	b)	precision	c)	both	d)	none

11.	Behavior of a physical quantity can be checked by
	a)	By writing its dimension	b)	By calculating its uncertainty	c)	By checking its precision	d)	Any of them
12.	The dimension of weight
	a)	ML-1	b)	LT-2	c)	MLT-2	d)	ML2T
13.	Which of the following is most precise instrument
	a)	Meter rod	b)	Screw gauge	c)	Venire caliper	d)	All of these
14.	Zero error is a type of
	a)	Random error	b)	Systematic error	c)	Personal error	d)	none
15.	For measuring small quantities we use……..instrument
	a)	Precise	b)	Accurate	c)	Both can be used	d)	None of these