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Solution
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Define temperature on the basis of the kinetic theory of matter.
Why do telephone wires sag during summer?
What is a bimetallic strip?
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.
Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.
______ determines the direction of the flow of heat.
Kelvin is written as K also known as absolute scale as it starts from absolute zero temperature.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
