MOCK TEST PHYSICS

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1.	The scientist who announced the universal law of gravitation?
	1.	Louis Pasteur	2.	C.V. Raman
	3.	Faraday	4.	Issac Newton
	RIGHT ANSWER: 4
2.	Which of the following liquid metal used in thermometers?
	1.	Gold	2.	Copper
	3.	water	4.	Mercury
	RIGHT ANSWER: 4
3.	The wave length of light in other radiations is measured in
	1.	cm	2.	nm
	3.	mm	4.	dm
	RIGHT ANSWER: 2
4.	In CGS system the units of mass
	1.	milligrams	2.	pounds
	3.	micrograms	4.	grams
	RIGHT ANSWER: 4
5.	Weight is a ______ quantity
	1.	vector	2.	chemical
	3.	scalar	4.	liquid
	RIGHT ANSWER: 1
6.	Which of the following is a reason for twinkling of stars?
	1.	Sun	2.	Reflection
	3.	Attrction	4.	Magnification
	RIGHT ANSWER: 2
7.	Light emission is explained by _______
	1.	Dalton’s Atomic Theory	2.	Raman Effect
	3.	Thermonic Theory	4.	Hereditary Theory
	RIGHT ANSWER: 2
8.	The atmosphere extends above the earth’s surface:
	1.	from 800kms to 1000kms	2.	from 100kms to 200kms
	3.	from 8000kms to 10,000	4.	from 80kms to 100kms
	RIGHT ANSWER: 1
9.	Least count of an ordinary scale is
	1.	1mm	2.	1cm
	3.	0.1mm	4.	0.1cm
	RIGHT ANSWER: 1
10.	If the zeroth division of the head scale below the index line of the pitch scale then the error is ________
	1.	Positive	2.	Negative
	3.	No zero error	4.	none
	RIGHT ANSWER: 1
11.	The scale marked on the index of a screw gauge is _________
	1.	Screw gauge	2.	Pitch of the screw
	3.	Pitch scale	4.	None
	RIGHT ANSWER: 3
12.	The instrument used to thickness of thin glass plate is _______
	1.	Pitch Scale	2.	Screw in a nut
	3.	Pitch of the screw	4.	Screw gauge
	RIGHT ANSWER: 4
13.	The law of gravitation
	1.	applies only to large bodies such as planets and stars	2.	accounts for all known forces
	3.	holds only in solar system	4.	holds every where in the universe
	RIGHT ANSWER: 4
14.	The devise used to separate particles of higher mass from those of lower mass in a given mixture
	1.	centrifuge	2.	photometer
	3.	gravity meter	4.	none
	RIGHT ANSWER: 1
15.	The radiations used in taking photography in darkness are
	1.	IR radiations	2.	Micro waves
	3.	Radio Waves	4.	X rays
	RIGHT ANSWER: 1
16.	The energy gap is highest in the case of ________________
	1.	Metal	2.	insulator
	3.	semiconductor	4.	diode
	RIGHT ANSWER: 2
17.	The absence of an electron in the valence bond of a semi conductor is called _________
	1.	Hole	2.	Energy gap
	3.	Negative charge	4.	None
	RIGHT ANSWER: 1
18.	Baryte is ore of __________
	1.	Bauxite	2.	Barium
	3.	Magnesium	4.	None
	RIGHT ANSWER: 2
19.	The M.P. and B.P of Alkaline earth metals are _________ alkaline metals.
	1.	lesser than	2.	equal to
	3.	higher than	4.	none
	RIGHT ANSWER: 3
20.	The magnesium obtained by electrolytic process is ________ percent pure.
	1.	97.9	2.	98.9
	3.	99.9	4.	100
	RIGHT ANSWER: 3
21.	The solvent in a aqueous solution is _______
	1.	water	2.	Alcohol
	3.	Ammonia	4.	Hydrochloric
	RIGHT ANSWER: 1
22.	Iconoscope is used for _________
	1.	scanning	2.	detection
	3.	demodulation	4.	converting electrical signals in to image
	RIGHT ANSWER: 1
23.	The function of a compiler is ________
	1.	to control all devices of computer	2.	to take logical decisions
	3.	to translate high level language in to machine language to store date	4.	None
	RIGHT ANSWER: 3
24.	A bar magnet falls through a metal ring. The acceleration will be
	1.	equal to g	2.	less than g
	3.	greater than g	4.	zero
	RIGHT ANSWER: 2
25.	What are the waves used for long distance broadcasting?
	1.	short waves	2.	long waves
	3.	light waves	4.	any waves
	RIGHT ANSWER: 1