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If lift is going up with acceleration, the apparent weight of a body is -
Two spherical conductors of radii 2 cm and 8 cm are connected. The ratio of charges on them at equilibrium is:
Two capacitors of 6 µF and 3 µF are connected in series and a potential difference of 90 V is applied. The energy stored in the system is:
In cricket match, while catching a fast moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velo...
An electric dipole of length 10 cm, when placed with its axis making an angle of 30° with a uniform electric field, experiences a torque of 2√...
A body starts from rest and accelerates uniformly. After t seconds, it covers a distance S. What is the ratio of the distance covered in the first half ...
What is the rate of change of momentum called?
What is the escape velocity from the surface of the Earth?
A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.
What type of lens is used to correct myopia (shortsightedness)?
