Velocity of a car does not depend on
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In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called
Which of the following devices helps to maintain a potential difference across a conductor?
The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
Knife is an example for
The unit of power used in industry is
The energy released at the end of digestion is in the form of
Find the resistance (in mega Ω) of a wire of length 10 m, cross sectional area 1 cm2 and made of a material of resistivity 100 Ωm.
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