How do the following process occur: The sound waves, collected by the pinna are changed as vibrations.

The sound waves collected by the pinna are changed as vibrations. Give reasons.

How do the following process occur: A pungent occur makes us close our nose.

How do the following process occur: We move our hand away from a hot object.

The following processes occur in the troposphere

How do the following process occur: When we see an object, a real inverted image is formed on the retina?

Which of the following process occurs in the absence of air ?

The sound waves if not focused by external pinna and ear canal will result in

Which of the following is a change that occurs in adolescence?

How much will be the internal energy change in adiabatic process

How fast do you think the process was ?