Dog is correct
To hear sound echo, minimum distance between sound source and obstacle should be
a)17 cm
b) 17 m
c)71 m
d) 0.17 m
Which of the followings is a longitudinal wave?
a) X-rays
b) waves on stretched rope
c) P-seismic waves
d) S- seismic waves
Which has highest pitch of sound?
a) lion roar
b) whistling sound
c) train horn
d) traffic noise
Sound waves cannot pass through…….
a) solids
b) liquids
c) gases
d) vacuum
Which of the following animal has the lowest pitch of sound?
a) sparrow
b) mosquito
c) cat
d) dog
If frequency of sound is doubled but amplitude of this sound wave is kept constant, then……
a) loudness and pitch both increases
b) loudness and pitch both decreases
c) loudness increases and pitch remains same
d) loudness remains same and pitch increases
Cat
by at 2025-03-03 13:33:58