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यह सबसे उचित विकल्प हैं
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
Two billiard balls each of mass 0.02 kg moving in opposite directions with speed 5 m s−1 collide and rebound with the same speed. What is t...
Cryogenics is the branch of physics that deals with what?
Which among the following is not a characteristic of transition metals?
A train runs along an unbanked circular track of radius of 10 m at speed of 36 km/h. The mass of the train is 16 kg.
What is the an...
Which of the following statement is/are true?
I. The materials which allow heat to pass through them easily are conductors of heat.
I...
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...
__________ is the same at every point on a rotating body.