Sounds Waves And Motion - Study Mode

[#241] Diffraction effect are more easily defected in case of a sound wave than light waves because
Correct Answer

(C) sound waves have larger wavelength

[#242] In which medium, velocity of sound is maximum?
Correct Answer

(A) Metals

[#243] Statement I Sound waves can travel through vacuum. Statement II Light is an electromagnetic wave and can travel through vacuum.
Correct Answer

(D) Statement I is false, but statement II is true

[#244] If the frequency of a sound wave is increased at a given velocity, what is the effect on its wavelength?
Correct Answer

(D) Its wavelength will decrease

[#245] What is the frequency of the wave if the time interval of the vibrating object is 0.04 seconds?
Correct Answer

(B) 25 Hz