ICSE Class 10 Sound MCQ Semester 2
ICSE Class 10 Sound MCQ 2022
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ICSE Class 10 Sound MCQ HERE
A boy hears an echo of his own voice from a distant hill after one second. The speed sound in air is 350m/s. What is the distance of the hill from the boy?A.
170m
B.
175m
C.
180m
D.
150m
A sound produced on the surface of a lake takes 4 sec to reach a bathroom. How much time will it take to reach a diver inside water at the same distance if speed of sound in water is 2 times the speed of sound in air?A.
1s
B.
2s
C.
3s
D.
4s
A boy standing in front of a wall at a distance of 75 m produces 2 claps per second. He notices that the sound of his clapping coincides with the echo. The echo is heard only once when clapping is stopped. Calculate the speed of soundA.
340 m/s
B.
350 m/s
C.
330 m/s
D.
300m/s
A boy standing in front of a wall at a distance of 85 m produces 2 claps per second. He notices that the sound of his clapping coincides with the echo. The echo is heard only once when clapping is stopped. Calculate the speed of soundA.
340 m/s
B.
350 m/s
C.
330 m/s
D.
300m/s
The minimum distance between the source and the reflector in air, to hear an echo, is approximatelyA.
10m
B.
17m
C.
34m
D.
50m
A radar is able to detect the reflected waves from an enemy’s aero plane after a time interval of 0.03 mille-second. If the velocity of the wave is Calculate the distance of the aero plane from the radar.A.
3km
B.
4.5km
C.
4km
D.
5km
SONAR’ stands for?A. Sound navigation and ranging
B. Sound navigation and reaching
C. Sound network and ranging
D. Sound network and restore
To detect obstacles in their path, bats produceA.
Infrasonic waves
B.
Ultrasonic waves
C.
Electromagnetic waves
D.
Radio waves
Sound is which type of wave?A.
Electromagnetic wave
B.
Mechanical wave
C.
Transverse wave
D.
None of the above
Sound is an example of which type of waveA.
Longitudinal wave
B.
Transverse wave
C.
Electromagnetic wave
D.
Stationary wave