Multiple Choice
Which of the following frequencies of sound cannot be heard by human beings?
A) 5 Hz
B) 20 Hz
C) 400 Hz
D) 1000 Hz
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q13: Sound waves in air are _ waves.<br>A)longitudinal<br>B)radio<br>C)transverse<br>D)electromagnetic
Q14: The mirror used in automobiles to see
Q15: Which of the following types of waves
Q16: Shaving mirrors are<br>A)convex mirrors<br>B)concave mirrors<br>C)plane mirrors<br>D)none of
Q17: SONAR is based on the principle of<br>A)echo<br>B)resonance<br>C)reverberation<br>D)any
Q18: A body which allows most of the
Q19: Who first proposed that light was wave-like
Q21: When the object is at focus of
Q22: The frequency of a wave is 5
Q23: The force which tries to bring the