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प्रश्न
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उत्तर
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संबंधित प्रश्न
Who is telling the truth?
The temperature of a substance is measured in joules.
Is conduction possible in vacuum?
How can a glass stopper jammed in the neck of a bottle be removed?
Why are bridges made of steel girders put on rollers?
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
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.
Where am I?
The mean annual temperature is 25°C around me.
While a substance is undergoing a change of state, the temperature of the body remains the same.
Give reasons why –
an igloo is built as a winter shelter
