Recent questions tagged wave-particle duality

+2 votes

1 answer

Photoelectric effect supports quantum nature of light because

asked Apr 2, 2019 in Class 12 by kratos

+2 votes

1 answer

Photoelectric emission from a given surface of metal can take place when the value of a ‘physical quantity’

asked Mar 9, 2019 in Class 12 by kratos

+3 votes

1 answer

The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate.

asked Feb 13, 2019 in Class 12 by kratos

+3 votes

1 answer

A photon of energy hv is absorbed by a free electron of a metal having work function ϕ < hv

asked Feb 12, 2019 in Physics by kratos

+2 votes

1 answer

When stopping potential is applied in an experiment on photoelectric effect, no photocurrent is observed.

asked Jan 31, 2019 in Class 12 by kratos

+1 vote

1 answer

The equation E = pc is valid (a) for an electron as well as for a photon

asked Jan 29, 2019 in Class 12 by kratos

+2 votes

1 answer

A point source of light is used in a photoelectric effect.

asked Jan 27, 2019 in Class 12 by kratos

+1 vote

1 answer

A nonmonochromatic light is used in an experiment on photoelectric effect.

asked Jan 23, 2019 in Class 12 by kratos

+3 votes

1 answer

If the frequency of light in a photoelectric experiment is doubled then stopping potential will

asked Jan 7, 2019 in Physics by kratos

+1 vote

1 answer

When the intensity of a light source is increased (a) the number of photons emitted by the source in unit time increases

asked Dec 24, 2018 in Physics by kratos

+1 vote

1 answer

Planck constant has the same dimensions as (a) force x time

asked Dec 8, 2018 in Class 12 by kratos

+2 votes

1 answer

The transerse nature of light wave supports

asked Dec 6, 2018 in Physics by kratos

+3 votes

1 answer

If the wavelength of light in an experiment on photoelectric effect is doubled, (a) the photoelectric emission will not take place

asked Dec 2, 2018 in Class 12 by kratos

+3 votes

1 answer

The work function of a metal is hvlt. Light of frequency v falls on this metal.

asked Nov 23, 2018 in Class 12 by kratos

+2 votes

1 answer

Which of the following is not true for the given statement: Photoelectric effect supports the quantum nature of light?

asked Nov 14, 2018 in Class 12 by kratos

+1 vote

1 answer

The frequency and intensity of a light source are both doubled. Consider the following statements.

asked Nov 12, 2018 in Class 12 by kratos

+1 vote

1 answer

Calculate the number of photons emitted in 10 hours by a 60 W sodium lamp (λ of photon = 5893 )

asked Nov 12, 2018 in JEE by kratos

+3 votes

1 answer

The collector plate in an experiment of photoelectric effect is kept vertical above the emitter plate.

asked Oct 30, 2018 in Physics by kratos

+3 votes

1 answer

The frequency and intensity of a light source are both doubled. Consider the following statements.

asked Oct 27, 2018 in Physics by kratos

+3 votes

1 answer

When the intensity of a light source is increased, (a) the number of photons emitted by the source in unit time increases

asked Oct 23, 2018 in Class 12 by kratos

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