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Write down the body temperature of a healthy person.
Convert 5°F to the Celsius scale.
A bridge is made from 20 m long iron rods. At temperature 18∘C, the distance between two rods in 0.4 cm. Up to what temperature will the bridge be in good shape?
Explain, why are the taps left dripping in sub-zero temperatures during winter?
Why does a piece of ice when touched with hands appear cold?
Why do telephone wires sag during summer?
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
Complete the following sentence:
SI unit of temperature is ______
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.
Numerical Problems.
An iron ball requires 1000 J of heat to raise its temperature by 20°C. Calculate the heat capacity of the ball.
