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General Knowledge - Physics

Exercise : Physics - Section 1
  • Physics - Section 1
51.
Out of the following pairs, which one does not have identical dimension?
Moment of inertia and moment of a force
Work and Torque
Angular momentum and Planck's constant
Impulse and Momentum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
52.
Mercury is commonly used as a thermometric fluid rather than water because
specific heat of mercury is less than water
specific heat of mercury is more than water
mercury has greater visibility than water
density of mercury is more than the water
Answer: Option
Explanation:
No answer description is available. Let's discuss.
53.
Optical fibre works on the
principle of refraction
total internal reflection
scattering
interference
Answer: Option
Explanation:
No answer description is available. Let's discuss.
54.
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
4.2 seconds
42 seconds
4.2 years
42 years
Answer: Option
Explanation:
No answer description is available. Let's discuss.
55.
Supersonic plane fly with the speed
less than the speed of sound
of sound
greater than the speed of sound
of light
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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