Sounds waves and Motion MCQ question and answer with solution

Echoes may be heard more than once due to successive or multiple:

A) rarefaction B) reflection C) diffraction D) refraction

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Visible radiation was discovered by:

A) Henri Becquerel B) Wilhelm Rontgen C) Isaac Newton D) Guglielmo Marconi

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Statement I The pitch of sound wave depends upon its frequency.
Statement II The loudness of the sound wave depends upon its amplitude.

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

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which one of the following statements is correct?

A) The speed of sound waves in a medium depends upon the elastic property of the medium, but not on an inertia property B) The speed of sound waves in a medium depends upon the inertia property of the medium, but not on an elastic property C) The speed of sound waves in a medium depends neither on its elastic property nor on its inertia property D) The speed of sound waves in a medium depends on both elastic and inertia properties of themedium

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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