Sounds waves and Motion MCQ question and answer with solution | Physics Gk MCQs

A. Light wave

B. Radio wave

C. Sound wave

D. Microwave

A. Both the statements are true and statement II is the correct explanation of statement I

B. Both the statements are true, but statement II is not the correct explanation of statement I

C. Statement I is true, but statement II is false

D. Statement I is false, but statement II is true

A. pitch

B. phase

C. quality

D. loudness

A. density of solids is more

B. modulus of elasticity is more than that of gases

C. sound cannot travel through gases

D. sound is an electromagnetic wave

A. 45 dB

B. 50 dB

C. 55 dB

D. 60 dB

A. Amplitude modulation

B. Frequency modulation

C. Phase modulation

D. Angle modulation

A. Audio and video both start simultaneously

B. Audio is heard immediately but video starts later because video needs some warm up time

C. Video starts immediately but audio is heard later because sound travels at a lesser speed than light

D. It depends on the T.V. brand

A. It travels at a speed of 330 - 350 m/s

B. These are mechanical waves

C. They do not require any type of medium to travel

D. It cannot travel long distances

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C. (A) is true, but (R) is false

D. (A) is false, but (R) is true

A. Polarised

B. Ultraviolet

C. Infrared

D. X-ray