Woolen clothes keep the body warm as wool is _____ of heat.

Specific heat of a body depends upon ______ of the body.

When a hot body warms a cool one are their temperature changes equal in magnitude ?

A body of mass 2 kg moving with a velocity of 6 m/s strikes inelastically another body of same mass at rest . The amount of heat evolved during collision is

A company produces three types of cloth A,B and C. Three kinds of wool, say red, green and blue are required for the cloth needs 2 metres of red and 3 etres of blue wool, one unit length of type B cloth needs 3 metres of red, 2 metres of green and 2 metres of blue wool and one unit length of type C cloth needs 5 metres of green and 4 metres of blue wool. The firm has a stock of only 80 metres of red, 100 metres of green and 150 metres of blue wool. Assuming that income obtained from one unit length of cloth is ₹30, ₹50 and ₹ 40 of types . A, B and C respectively, formulate the LPP so as to maximize income.

A blanket which keeps us warm in the winter is able to protect ice from melting . Explain .

In an adiabatic change, the amount of" heat contained in a body remains_____.