Physics

Q313

A three-dimensional image is obtained by________________?

Q314

In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

Q318

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_______________?

Q320

The area enclosed by the curve ABCDA for a Carnot heat engine represents the work done by Carnot engine_______________?

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