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Posted by Manoj Jaiswar ( PMJ Sir )
Doors of a dam are 20m below the surface of water in the dam. If one door is opened what will be the speed of the water that flows out of the door ?
The given can be listed as, h= 20m g = 9.8m/s² To find, v = ? Solution -��…
Define progressive wave and what are the characteristics of progressive waves
A wave in which the disturbance produced in the medium travels in a given …
State the conditions for constructive & destructive interference of light
(1) Constructive interference (brightness): There is constructive interfer…