Physics
Practice Physics MCQs from the Science syllabus.
Ultrasonic sound waves have more ________ than audible sound waves.
The voices of men, women, and children are different mainly due to different:
When a wave reflects from a rigid boundary, there is a phase change of:
What happens to the loudness if we increase the surface area of a vibrating body?
An ultrasonic wave has a frequency of 50 kHz. What is its frequency in Hertz?
Which subjective property of sound is related to the objective property 'Intensity'?
The frequency of a source of sound is 10 Hz. How many times does it vibrate in 1 minute?
If you are standing 100 meters away from a mountain and you shout, how much time will it take for the echo to reach you? (Speed of sound = 340 m/s)
Which of the following describes the distance from one crest to the next in a transverse wave, or one compression to the next in a longitudinal wave?
The sound of a mosquito has a higher ________ than the roar of a lion.
The sound produced by an object moving with a speed greater than the speed of sound is called:
What is the effect of increasing pressure on the speed of sound in an ideal gas at constant temperature?
Which of the following wave properties is independent of the others?