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Subject: Physics, asked on 11/1/18

explain with the help of neat diagram how does sound travel in air

Subject: Physics, asked on 11/1/18

Speed of sound in air is 330 m s-1 and in water i 1650 m s-1. It takes 2.5 second for sound to reach from one place to another. How much time will it take for sound to reach the same distance in water

Subject: Physics, asked on 5/1/21

On the sea shore,an observer observes that in 1 min 72 waves reach the shore.Calculate their velocity if the wavelength of the wave is 5 m.

Subject: Physics, asked on 14/12/19

An electric vibrator produces ripples in a ripple tank,such that distance between one crest and one trough is 4 cm if the vibrations are produced at a rate of 4800 per minute calculate the time period and wave velocity

Subject: Physics, asked on 11/1/18

Please solve
Q). Derive relation v=fλ for a wave.

Subject: Physics, asked on 6/1/18

What is the effect of temperature on the velocity of sound in air?

Subject: Physics, asked on 8/1/18

A time keeper in a 100 m run is advised to start the stop watch by seeing the smoke from the starter's gun and not by hearing the sound of fire. Why?

Subject: Physics, asked on 7/7/18

A uniform vertical electric field capital e is established in the space between two large parallel plates a small conducting sphere of mass M is suspended in the field from a string of length L if the sphere is given a charge positive and the lower blood discharge positively the period of oscillation of this pendulum is

Subject: Physics, asked on 22/1/19

A vibrating body produces a wave of wavelength 2.5 m in a medium where the wave travels with a velocity of 1250 m s find the period of vibration of the wave

Subject: Physics, asked on 6/12/17

140) Show a displacement - time graph of a wave, the amplitude and time period of a wave.
(141) Draw a displacement time graph of a wave and mark on it the amplitude of wave by the letter 'a' and wavelength of the wave by the letter 'λ'

Subject: Physics, asked on 11/1/18

Please solve:
Q.19. The figure shows a wave of frequency 1200 Hz spread over a length of 10 m. Whatis wavelength of the wave? What is speed of the wave?


[2 m, 600 Hz]

Subject: Physics, asked on 8/1/18

what is the effect of pressure on the velocity of sound in air?

Subject: Physics, asked on 24/3/19

Question number 10 and 11

Md
Subject: Physics, asked on 10/3/19

Acan u give formula for each? Fast??

Subject: Physics, asked on 12/1/18

Please solve the
Q.28. Velocity of sound in steel is 5000 m s-1. A sound wave of frequency 1000 Hz is produced in a steel rail of length 20 m. Calculate total number of waves produced in the rail.
[14 Waves]

1234
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