| | - Teacher Name : Rakesh
- Total Questions : 19
- Time Allowed : 60
- Total Marks : 19
Q 1 :What is the amplitude of a wave? Q 2 :Which medium is necessary for sound to travel? Q 3 :In the context of sound waves, what does the term 'wavelength' refer to? Q 4 :What is an echo? Q 5 :What is the formula for wave speed? Q 6 :What is the effect of increasing the frequency of a sound wave? Q 7 :What is the speed of sound in air at room temperature? Q 8 :What does SONAR stand for? Q 9 :What is the unit of frequency? Q 10 :Which of the following describes reverberation? Q 11 :What is the minimum time interval required to hear an echo? Q 12 :What type of wave is sound? Q 13 :What is the term for the regions of high pressure in a sound wave? Q 14 :What is the formula for calculating the time period from frequency? Q 15 :What is the primary use of ultrasonic sensors? Q 16 :Which of the following is NOT an application of ultrasound? Q 17 :What is the relationship between frequency and wavelength? Q 18 :What is the time period of a wave? Q 19 :What happens to sound in a vacuum?
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