Radiation produced from TV picture tube is_____________?

Related Mcqs:

Ratio of the weight of H-atom to that of an electron is approximately______________?

A. 18.336 B. 1836 C. 18360 D. 183.6...

In obtaining an X-ray photograph of our hand we use the principle of______________?

A. photo electric effect B. ionization C. shadow photograph D. any of above...

Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?

A. A & B B. B & C C. A & C D. A B & C...

In laser production the state in which more atoms are in the upper state than in the lower one is called_____________?

A. Metal stable state B. Normal state C. Inverted population D. All the above...

The metastable state for an atom in laser light is_____________?

A. 10-4 sec B. 10-5 sec C. 10-3 sec D. 10-8 sec...