A. A unit of energy
B. A positively charged particle
C. A quantum of electromagnetic radiation
D. A unit of wavelength
A photon is________________? Read More »
Modern Physics, Physics Mcqs A. Interference
B. Polarization
C. Electron diffraction
D. Refraction
Davison Germer experiment indicates__________________? Read More »
Modern Physics, Physics Mcqs A. The angle of scattering is 90°
B. The angle of scattering is 60°
C. The angle of scattering is 180°
D. The angle of scattering is 0
In Compton scattering, the change in wavelength is maxed if_______________? Read More »
Modern Physics, Physics Mcqs A. Ampere
B. Plank
C. Thomson
D. Einstein
The name of the photon for quantum of light was proposed by________________? Read More »
Modern Physics, Physics Mcqs A. shifts towards longer wavelength
B. shifts towards shorter wavelength
C. remain the same
D. shifts towards longer as well as shorter wavelengths
A. 1/2 mvmax2=hf+Φ
B. 1/2 mvmax2-hf = Φ
C. 1/2 mvmax2=hf-Φ
D. All of above are correct
Einstein’s photoelectric equation is given by_______________? Read More »
Modern Physics, Physics Mcqs A. infinite
B. zero
C. very small
D. 1.67 x 10-27 kg
Rest mass of a photon is________________? Read More »
Modern Physics, Physics Mcqs A. equal to its rest mass
B. double of its rest mass
C. infinite
D. zero
If a material object moves with speed of light its mass becomes ________________? Read More »
Modern Physics, Physics Mcqs A. ∆E = h/m∆c(1-cosθ)
B. ∆E . ∆t = h
C. mc2 = hv
D. Any of above
Select an alternative from of uncertainly principle from the following_______________? Read More »
Modern Physics, Physics Mcqs A. equal to its rest mass
B. double of its rest mass
C. infinite
D. zero
The existence of Ether wind was experimentally rejected by__________________? Read More »
Modern Physics, Physics Mcqs