In automatic wrist watches energy is provided by____?

Sound travels in the form of____?

The disintegration process of a heavy nucleus into two lighter nuclei is called____?

The percentage of salt water present in sea water is_____?

The disintegration process of a heavy nucleus into two lighter nuclei is called____?

The mirror used by a dentist to examine the teeth of patients is______?

At the time of short circuit, the current in the circuit______?

Noise and music differ in their___?

When a bar magnet is cut into two equal halves, the pole strength of each piece____?

What is nano technology?