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Physics Mcqs :: All Aptitude Test ::

Home » General Knowledge » Physics Mcqs » Aptitude Test - 3
1. Solar eclipse will take place when
A. the sun is between the moon and the earth
B. the earth is between the moon and the sun
C. the moon is between the sun and the earth
D. the sun is between the moon and the earth
2.Isotopes of an element contain
A. the same number of protons but different number of neutrons
B. the same number of neutrons but different number of protons
C. equal number of protons and electrons
D. the same number of protons but different number of neutrons
3. One watt-hour is equivalent to
A. 6.3 x 103 J
B. 6.3 x 10-7 J
C. 3.6 x 103
D. 6.3 x 103 J
4.Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
A. Scattering
B. Diffraction
C. Interferenc
D. Scattering
5.In which of the following industries is mica as a raw material?
A. Cement
B. Glass and Pottery
C. Iron and Steel
D. Cement
6. Radiocarbon dating technique is used to estimate the age o
A. rocks
B. monuments
C. soil
D. rocks
7.Identify the vector quantity from the following
A. heat
B. Angular momentum
C. time
D. heat
8.Large astronomical telescopes always use as objective
A. lens
B. mirror
C. combinations of lenses
D. lens
9.One should not connect a number of electrical appliances to the same power socket because
A. the densities of the liquid in the two vessels are equal
B. this can damage the domestic wiring due to overloading
C. this can damage the electrical meter
D. the densities of the liquid in the two vessels are equal
10.Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I. Diffusion II. Refraction III. Internal reflection
A. I, II and III
B. I and II
C. II and III
D. I, II and III
11.Natural radioactivity was discovered by
A. Marie Curie
B. Ernest Rutherford
C. Henri Becquere
D. Marie Curie
12.Planets are
A. luminous heavenly bodies revolving around a star
B. non-luminous heavenly bodies
C. luminous heavenly bodies that twinkle
D. luminous heavenly bodies revolving around a star
13.Mica is used in electrical appliances such as electric iron because mica is
A. a good conductor of heat but a bad conductor of electricity
B. a bad conductor of heat but a good conductor of electricity
C. a good conductor of heat as well as electricity
D. a good conductor of heat but a bad conductor of electricity
14.It is easier to roll a barrel full of coal tar than to pull it because
A. the full weight of the barrel comes into play when it is pulled
B. the rolling friction is much less than the sliding friction
C. more surface area of the barrel is in contact with the road when it is pulled
D. the full weight of the barrel comes into play when it is pulled
15. Minimum number of unequal vectors which can give zero resultant are
A. two
B. three
C. four
D. two
16.. Intensity of sound has
A. an object existence
B. an subject existence
C. no existence
D. an object existence
17.. Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from
A. east
B. west
C. northeast
D. east
18.1. Which of the following is true about the universe?
A. a) It is an open system
B. a) It is an open system
C. c) It is an isolated system
D. a) It is an open system
19.2. Which of the following holds good in all natural processes?
A. a) The Doppler Effect
B. b) Newton’s law of gravitation
C. c) Electromagnetic law
D. a) The Doppler Effect
20.4. Which of the following leads to the law of conservation of energy?
A. a) Gravity
B. b) Isotropy
C. c) Nuclear forced
D. a) Gravity
21.Which of the following leads to the law of conservation of angular momentum?
A. Isotropy of space
B. Homogeneity of time
C. Nuclear force
D. Isotropy of space
22.Which of the following is the SI unit of luminous intensity?
A. Sterdian
B. Radian
C. Mole
D. Sterdian
23. Sterdian is the SI unit of which of the following?
A. Phase angle
B. Luminous intensity
C. Mass
D. Phase angle
24.How many light years are there in one metre?
A. 9.46×1015ly
B. 1.057×10-16ly
C. 1ly
D. 9.46×1015ly
25.The radius of gold nucleus is 41.3fermi. Express its volume in m3.
A. 41.3×10-15 m3
B. 2.95×10-40 m3
C. 4.19 m3
D. 41.3×10-15 m3
26. Convert an acceleration of 2km/h2 into cm/s2 .
A. 2×105 cm/s2
B. 0.0027 cm/s2
C. 0.0154 cm/s2
D. 2×105 cm/s2
27.Under what condition is the average velocity equal to the instantaneous velocity?
A. Varying velocity
B. Varying speed
C. Constant velocity
D. Varying velocity
28.How is the speed related to the magnitude of velocity?
A. Greater
B. Lesser
C. Equal
D. Greater
29.Two balls of different masses (one lighter and one heavier) are thrown vertically upward with same initial speed. Which one will rise to a greater height?
A. The lighter one
B. The heavier one
C. Neither
D. The lighter one
30.A player throws a ball upwards with an initial speed of 29.4m/s. What is the direction of acceleration during the upwards motion of the ball?
A. Vertically downwards
B. Projectile motion
C. Diagonal
D. Vertically downwards
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