(A) Light signal into sound signal
(B) Sound signal into light signal
(C) Current signal into sound signal
(D) Sound signal into current signal
Tag: Physics Mcq Questions and Answers
A star appears twinkling in the sky because of?
(A) Diffraction of light by atmosphere
(B) Scattering of light by atmosphere
(C) Reflection of light by atmosphere
(D) Refraction of light by atmosphere
Which of the following is conservative force?
(A) Frictional force
(B) Electric force
(C) Normal force
(D) All of the above
Which of the following is non conservative force?
(A) Elastic spring force
(B) Gravitational force
(C) Electric force
(D) Frictional force
The field in which the work done is independent of the path followed or work done in a closed path is zero is called?
(A) Frictional field
(B) Electromagnetic field
(C) Conservative field
(D) Magnetic field
Total work done in a closed path in gravitational field is?
(A) -mgh
(B) +mgh
(C) Infinity
(D) Zero
X-Rays region lies between?
(A) Gamma rays and ultraviolet region
(B) Short radio waves and long radio waves
(C) Ultraviolet and visible region
(D) None of the above
Materials for rain proof coats and tents owe their water proof properties to?
(A) Elasticity
(B) Specific gravity
(C) Viscosity
(D) Surface tension