Write the SI unit of coefficient of cubical expansion.

एका वाक्यात उत्तर

SI unit of coefficient of cubical expansion is ^oc^-1.

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पाठ 5: Heat and Energy - Exercise [पृष्ठ २२९]

पाठ 5 Heat and Energy
Exercise | Q 11 | पृष्ठ २२९

Fill in the blank

A person is said to have fever if his body temperature is more than _________

Who am I?

I make things hot or cold.

Express Kelvin Zero in °C

Why do we wear woolen clothes in winter?

What is meant by the lower and upper fixed points of a thermometer?

Convert the following temperature into Fahrenheit scale:
-40⁰C

Out of metals, liquids, and gases:

Which one is the best conductor of heat?

Who am I?

I am useful for measuring the correct temperature.

Heat flows from a ______ body to a _____ body.

Give reason for the following

The electric wire which sag in summer become straight in winter.