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The correct answer is D
A force of 50 N moves a body 2 meters in the direction of the force. Find work done.
A dielectric placed between the plates of a capacitor increases its:
Focal length of a concave lens with power –2 D:
A body of mass 2 kg is moving with velocity 3 m/s. What is its kinetic energy?
The surface tension of water on adding detergent to it –
For a projectile, maximum range is obtained when angle of projection is:
What is the principle behind the working of a transformer?
A spherical black body with a radius of 8 cm radiates 450-watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated...
If lift is going up with acceleration, the apparent weight of a body is -
What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it?