Advertisements
Advertisements
प्रश्न
Give reason for the following
The electric wire which sag in summer become straight in winter.
Advertisements
उत्तर
In summer the electric wire is expanded by high temperature. So it sags in summer. In winter die electric wire is contracted by low temperature. Hence it becomes straight in winter.
APPEARS IN
संबंधित प्रश्न
Who is telling the truth?
The temperature of a substance is measured in joules.
Distinguish between heat and temperature.
Calorie is the unit of :
Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.
Where am I?
The mean annual temperature around me is 10°C.
One litre of water at 30o C is mixed with one litre of water at 50o C. The temperature of the mixture will be
Consider the statement given below and choose the correct option.
Assertion: A system can be converted from one state to another state.
Reason: It takes place when the temperature of the system is constant.
Temperature measures the ______ kinetic energy of molecules.
