A. Simple vibratory motion
B. Standing wave motion
C. Vibratory motion like up and down
D. S.H.M likes the sound
Electron moves in the orbit as________________? Read More »
Modern Physics, Physics Mcqs A. Photon theory of light
B. Dual nature of light
C. Wave nature of light
D. Uncertain nature of light
Compton effect proves the________________? Read More »
Modern Physics, Physics Mcqs A. Karl-Weins law
B. Rayleigh-Jeans law
C. Stephens law
D. Plancks
A. 107m/sec
B. Should be greater than the speed of light.
C. Be zero
D. Not be wave-like
A. Property of matter and radiation
B. Two-dimensional motion
C. Emission of the certain wavelength
D. Very high velocity
The uncertainty in momentum & position is due to its_____________? Read More »
Modern Physics, Physics Mcqs A. Electron microscope
B. Scanning electron microscope
C. Magnetic imaging
D. None of the above
A three-dimensional image is obtained by________________? Read More »
Modern Physics, Physics Mcqs A. Electromagnetic gun
B. Source of electromagnetic waves
C. Deflecting charged particle
D. Converging source of electrons
In the electron microscope, electric & magnetic fields are used as_______________? Read More »
Modern Physics, Physics Mcqs A. Penetrating power is high
B. Kinetic energy is large
C. Wavelength is very short
D. All the above reasons
In an electron microscope, we use energetic particles because of______________? Read More »
Modern Physics, Physics Mcqs A. Wave property
B. Particle property
C. Energy particle
D. Electromagnetic wave property
If a diffraction grating is placed in the path of a light beam it reveals______________? Read More »
Modern Physics, Physics Mcqs A. Particle property
B. Wave property
C. Light property
D. Quantum property
In Davisson-Germer experiment the diffracted proton from crystal shows______________? Read More »
Modern Physics, Physics Mcqs