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An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...The experimental evidence that the electron exhibits wave-like characteristics was first provided by:
The height of a geo-stationary satellite from the Earth's surface is approximately :
The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of t...
Global warming is expected to result in
The SI unit of surface tension is:
A constant retarding force of 60 N is applied to a body of mass 25 kg moving initially with a speed of 12 m s–1. How long does the body...
Energy that is produced commercially from coal is called –
Consider the following two statements
(A) Kirchhoff's junction law follows from the conservation of charge.
(B) Kirchhoff's loop law follo...
