UV radiation can be produced by______________?

Related Mcqs:

Hydrogen atom does not emit X-rays because _________________?

A. its energy levels are too close to each other B. its energy levels are too far apart C. it is too small in size D. it has a single electron...

Radiation with wavelength longer than red lights______________?

A. ultraviolet rays B. X-rays C. infra red radiation D. visible radiation...

In an electronic transition atom cannot emit______________?

A. γ-rays B. Infra red radiation C. Visible light D. Ultraviolet rays...

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...

In He-Ne laser the lasing action is produced by_______________?

A. Ne only B. He-Ne both C. Electrons of He D. Electrons Ne...