The container has two openings, p and Q. Which way th e smoke from an external source placed near P moves when it reaches P and leaves from Q. Give reason for your answer. .

Name the process by which we receive heat from the sun.

One Line Answer

We receive heat from the sun by the process of Radiation.

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Chapter 5: Heat - Transmission of Heat [Page 227]

Chapter 5 Heat
Transmission of Heat | Q 20 | Page 227

State the temperature of ice point on the Celsius scale.

Distinguish between heat and temperature.

A body radiates out 300 calories of heat energy. How much heat energy is radiated out by the body in joules?

Explain, why are the taps left dripping in sub-zero temperatures during winter?

Name the scientist who designed the first thermometer.

How can a glass stopper jammed in the neck of a bottle be removed?

Out of metals, liquids, and gases:

Which one is the best conductor of heat?

Explain with a diagram, the effect of the spherical shape of the earth on the temperature at different latitudes.

The temperature of boiling water is ______.