Subject Repository
Physics Mcqs
Showing 341 – 360 of 940 verified multiple choice questions with answers and explanations.
Q341NTS / FPSC / PPSC
A photon of wavelength 900nm behaves like a particle of mass______________?
Q342NTS / FPSC / PPSC
If n number of the photon is striking on a metal surface then total momentum exerted is_______________?
Q343NTS / FPSC / PPSC
If a photon is reflected from the mirror then the change in momentum of each photon is_______________?
Q344NTS / FPSC / PPSC
If the wavelength of incident radiation is increased in photoemission then_________________?
Q346NTS / FPSC / PPSC
After traveling through a vacuum a photon of light entering into some transparent denser medium. Thus the energy of light______________?
Q347NTS / FPSC / PPSC
A transmitting station emits radio waves of wavelength λ at power P. If h is Planck’s constant & c the speed of light what is the rate of emission of photons ?
Q348NTS / FPSC / PPSC
Which one of the following has the largest energy content ?
Q350NTS / FPSC / PPSC
Davison Germer experiment indicates__________________?
Q351NTS / FPSC / PPSC
In Compton scattering, the change in wavelength is maxed if_______________?
Q352NTS / FPSC / PPSC
The name of the photon for quantum of light was proposed by________________?
Q353NTS / FPSC / PPSC
As the temperature of black body is raised the wavelength corresponding to maximum intensity________________?
Q354NTS / FPSC / PPSC
Einstein’s photoelectric equation is given by_______________?
Q356NTS / FPSC / PPSC
If a material object moves with speed of light its mass becomes ________________?
Q357NTS / FPSC / PPSC
Select an alternative from of uncertainly principle from the following_______________?
Q358NTS / FPSC / PPSC