Reverse process of photoelectric effect is_______________?

Related Mcqs:

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...

Which one of following postulate is in accordance with the Rutherfords model ?

A. continuous spectra for atoms B. discrete spectra for atoms C. either continuous nor discrete D. no spectrum...

In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?

A. he/ev B. he/Vc C. eV/h D. impossible to predict...

The characteristic X-rays spectrum is due to_____________?

A. The illumination of the target metal by ultra-violet radiation B. The bombardment of the target by protons C. The bombardment of target by electrons D. The absorption of radiation by the target metal...

Reflecting mirrors in laser is used to______________?

A. Further stimulation B. Lasing more C. For producing more energetic lasers D. All...