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प्रश्न
Who am I?
I’m found in a thermometer, I measure your temperature.
उत्तर
I’m found in a thermometer, I measure your temperature- Mercury
संबंधित प्रश्न
Fill in the blank
The temperature of a normal human body is ________.
Write S.I. unit of temperature.
A body radiates out 300 calories of heat energy. How much heat energy is radiated out by the body in joules?
Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.
What is the principle of calorimetry?
Why do telephone wires sag during summer?
Do all substances expand on heating? Give examples.
What is evaporation? Why does it cause cooling?
Is it possible to heat a liquid or gas from above? Explain your answer.
Convert the following temperature into Celsius scale:
32oF
Give a scientific reason for the following:
Old quits are less warm than the new ones.
The hot metal ball is suspended from a string in a metal box as shown in the following figure
(i) What are the ways in which the ball loses heat
(ii) Which side of the box will be the hottest and which the least hot after some time? Explain.
State whether true or false. If false, correct the statement.
One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
SI unit of temperature is ______.
While a substance is undergoing a change of state, the temperature of the body remains the same.
