Advertisements
Advertisements
प्रश्न
In hot summer after a bath, the body’s __________.
पर्याय
internal energy decreases
internal energy increases
heat decreases
no change in internal energy and heat
Advertisements
उत्तर
In hot summer after a bath, the body’s internal energy decreases.
APPEARS IN
संबंधित प्रश्न
A metal ball cools from 64 °C to 50 °C in 10 minutes and to 42 °C in next 10 minutes. The ratio of rates of fall of temperature during the two intervals is _______.
A body cools from 80° C to 70° C in 5 minutes and to 62° C in the next 5 minutes. Calculate the temperature of the surroundings.
Does the temperature of a body depend on the frame from which it is observed?
Heat and work are equivalent. This means, ____________ .
A concrete slab has a length of 10 m on a winter night when the temperature is 0°C. Find the length of the slab on a summer day when the temperature is 35°C. The coefficient of linear expansion of concrete is 1.0 × 10–5 °C–1.
Temperature and Heat are ______
Give reasons for the following:
Hot metal ball of 80° C is dipped into water of 80°C. The ball will not contract.
Heat given to a body that raises its temperature by 1°C is ______.
What is the SI unit of heat?
When two bodies at different temperatures are placed in contact, heat flows from ______.
