NAT I Medical Physics MCQs With Answers

A person standing on a rotating platform has his hands lowered He suddenly outstretches his arms.The angular momentum

A man pushes a wall but fails to displace it. He does:

A wire is stretched to double of its length.The strain is

If two non-zero vector ̅A̅ and ̅B are parallel to each other, then ̅A̅, ̅B is equal to

A 50-volt battery is connected across 10-ohm resistor.The current is 4.5 A.The internal resistance of the battery is

The contrast in the fringes in any interference pattern depends on

A body is dropped from a tower with zero velocity reaches ground in 4s. The height of the tower is about

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in he form of heat will be

Two point charges placed at distance of 20 cm in air repel each other with a certain force.When a dielectric slab of thickness 8 cm and dielectric constant K is introduced between these point charges force of interaction becomes half of its previous value Then K is approximately.