Question 1.
ML2T-2 is the dimensional formula for
A. moment of inertia
B. pressure
C. elasticity
D. couple acting on a body
Ans: D. couple acting on a body
Question 2.
In which of the following industries is mica as a raw material?
A. Cement
B. Glass and Pottery
C. Iron and Steel
D. Electrical
Ans: D. Electrical
Question 3.
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 moon does not lie on the line joining the sun and the earth
Ans: C. the moon is between the sun and the earth
Question 4.
Radiocarbon dating technique is used to estimate the age of
A. rocks
B. monuments
C. soil
D. fossils
Ans: D. fossils
Question 5.
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. equal number of nucleons
Ans: A. the same number of protons but different number of neutrons
Question 6.
Identify the vector quantity from the following
A. Heat
B. Angular momentum
C. Time
D. Work
Ans: B. Angular momentum
Question 7.
One watt-hour is equivalent to
A. 6.3 x 103 J
B. 6.3 x 10-7 J
C. 3.6 x 103 J
D. 3.6 x 10-3 J
Ans: C. 3.6 x 103 J
Question 8.
Large astronomical telescopes always use as objective
A. lens
B. mirror
C. combinations of lenses
D. None of the above
Ans: C. combinations of lenses
Question 9.
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. Interference
D. Polarization
Ans: A. Scattering
Question 10.
One should not connect a number of electrical appliances to the same power socket because
A. this can damage the appliances due to overloading
B. this can damage the domestic wiring due to overloading
C. this can damage the electrical meter
D. the appliance will not get full voltage
Ans: B. this can damage the domestic wiring due to overloading
Question 11.
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 and III
Ans: C. II and III
Question 12.
Natural radioactivity was discovered by
A. Marie Curie
B. Ernest Rutherfor
C. Henri Becquerel
D. Enrico Fermi
Ans: C. Henri Becquerel
Question 13.
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 that do not twinkle
Ans: B. non-luminous heavenly bodies
Question 14.
One nanometer is equal to
A. 10-6m
B. 10-8m
C. 10-9m
D. 10-5m
Ans: C. 10-9m
Question 15.
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 bad conductor of heat as well as electricity
Ans: A. a good conductor of heat but a bad conductor of electricity
Physics GK MCQs all set
- Physics MCQs Set-1
- Physics MCQs Set-2
- Physics MCQs Set-3
- Physics MCQs Set-4
- Physics MCQs Set-5
- Physics MCQs Set-6
- Physics MCQs Set-7
- Physics MCQs Set-8
- Physics MCQs Set-9
- Physics MCQs Set-10
- Physics MCQs Set-11
- Physics MCQs Set-12
- Physics MCQs Set-13
- Physics MCQs Set-14
- Physics MCQs Set-15
- Physics MCQs Set-16
- Physics MCQs Set-17
- Physics MCQs Set-18
- Physics MCQs Set-19
- Physics MCQs Set-20
- Physics MCQs Set-21
- Physics MCQs Set-22
- Physics MCQs Set-23
- Physics MCQs Set-24
- Physics MCQs Set-25
- Physics MCQs Set-26
- Physics MCQs Set-27
- Physics MCQs Set-28
- Physics MCQs Set-29
- Physics MCQs Set-30
- Physics MCQs Set-31
- Physics MCQs Set-32
- Physics MCQs Set-33
- Physics MCQs Set-34
- Physics MCQs Set-35
- Physics MCQs Set-36
- Physics MCQs Set-37
- Physics MCQs Set-38
- Physics MCQs Set-39
- Physics MCQs Set-40
- Physics MCQs Set-41
- Physics MCQs Set-42
- Physics MCQs Set-43
- Physics MCQs Set-44
- Physics MCQs Set-45
- Physics MCQs Set-46
- Physics MCQs Set-47
- Physics MCQs Set-48
- Physics MCQs Set-49
- Physics MCQs Set-50
- Physics MCQs Set-51
- Physics MCQs Set-52
- Physics MCQs Set-53
- Physics MCQs Set-54
- Physics MCQs Set-55
- Physics MCQs Set-56
- Physics MCQs Set-57
- Physics MCQs Set-58
- Physics MCQs Set-59
- Physics MCQs Set-60
- Physics MCQs Set-61
- Physics MCQs Set-62
- Physics MCQs Set-63
- Physics MCQs Set-64
- Physics MCQs Set-65
- Physics MCQs Set-66
- Physics MCQs Set-67
- Physics MCQs Set-68
- Physics MCQs Set-69
- Physics MCQs Set-70
- Physics MCQs Set-71
- Physics MCQs Set-72
- Physics MCQs Set-73
- Physics MCQs Set-74
- Physics MCQs Set-75
- Physics MCQs Set-76
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