Multiple Choice
Sound waves cannot pass through
A) a solid-liquid mixture
B) an ideal gas
C) a liquid-gas mixture
D) a perfect vacuum
Correct Answer:
Verified
Correct Answer:
Verified
Q7: The distance between two consecutive crests is
Q8: The screen behind the eye lens is
Q9: A pulse is a wave<br>A)of high duration<br>B)of
Q10: Echo is produced due to<br>A)reflection of sound<br>B)refraction
Q11: During the 19th century, light was considered
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