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_____?

The antiparticle of the electron is called as_____?

Frequencies emitted by a straight instrument can be studied by_____?

The number of electric lines of force per unit area at right angles to the lines is proportional to ______?

The colour which is deviated more than the other colours is____?

Clinical thermometer measure temperature in very short range of____?