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 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?
The blue colour of sky is due to the phenomenon of_____?