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Subject: Physics, asked on 7/3/19

Give the answer

Subject: Physics, asked on 9/1/19

Question number 18

Subject: Physics, asked on 9/1/19

Question no 16

Subject: Physics, asked on 18/12/18

Pls solve 30)iii)

Subject: Physics, asked on 18/12/18

pls solve 10)a)

Subject: Physics, asked on 25/11/18

Please send sum 2

Subject: Physics, asked on 14/6/18

Question no. 8(A). A person standing between 2 vertical cliffs and 640 m away from the nearest cliff shouted. He heard the first echo after 4 seconds and second echo 3 seconds later. Calculate
(a) velocity of sound in air
(b) distance between the cliffs.

Subject: Physics, asked on 14/6/18

Question no. C

c.  A vibrating tuning fork is placed over the mouth of a burette filled with water. The tap is opened and water level gradually falls. It is observed that sound becomes the loudest for particular length of air column. 
(i) Name the phenomenon occuring.
(ii) When does the sound become the loudest ? 
(iii) Name the phenomenon occuring when sound produced is not the loudest. 

Subject: Physics, asked on 21/2/18

What is the effect of pressure,humidity
and density on the velocity of sound in air

Subject: Physics, asked on 13/1/18

you set your watch by the sound of a distant siren. will it go fast or slow? Explain

Subject: Physics, asked on 13/1/18

how do astronauts communication on the surface of moon in the absence of any atmosphere?

Subject: Physics, asked on 13/1/18

How does the sand scoroian locate its prey

Subject: Physics, asked on 13/1/18

Why can't we hear the sound produced from the second's pendulum

Subject: Physics, asked on 13/1/18

Please solve the
Q.14. Which of the following frequencies of sound you hear? 2 Hz, 400 Hz, 34000 Hz, 106 Hz.

Subject: Physics, asked on 13/1/18

name the animal that can detect sound of highest frequency

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