Sounds Waves And Motion - Study Mode
[#196] TV remote control uses
Correct Answer
(A) Infrared frequency
[#197] When the sound passes through the air, the particles of air-
Correct Answer
(A) Vibrate in the direction of propagation of the waves
[#198] Through which of the following mediums can sound not travel?
Correct Answer
(B) Vacuum
[#199] What is the lowest frequency of sound that can be heard by human beings?
Correct Answer
(D) 20 Hz
[#200] Which of the following sound wave will have the longest wavelength?
Correct Answer
(A) Wave with a frequency of 100 Hz