1 |
Balmer series lies in |
Visible region
Invisible region
Ultraviolet region
Infrared region
|
2 |
The shortest wave length is Bracket series has wave length. |
16/Rn
Rn/16
16 Rn
4 Rn
|
3 |
Balmer series lies in region of electromagnetic spectrum. |
Infrared
Visible
Ultraviolet
Fra infrared
|
4 |
Application of wave like nature of particle is |
Photodiode
Optical microscope
Electron microscope
Compound microscope
|
5 |
The principle regarding the dual nature of light was first discovered by |
Heisenberg
Compton
J.J.Thomson
De-Broglie
|
6 |
Photodiode is used for wave nature of. |
Light
Thermal radiation
Radi waves
Sound waves
|
7 |
The wavelength associated with the protons moving at speed of 40 m/s is. |
7.20 nm
9.02
15.7 nm
17.3 nm
|
8 |
Which is the most refined form of matter. |
Smoke
Fog
Light
Electron
|
9 |
Wave nature of light appears in |
Pair production
Compton effect
Photo electric
Interference
|
10 |
In an nihilation emitted photons moves in opposite directions to conserve. |
Mass
Charge
Energy
Momentum
|
11 |
The photon with energy greater than 1.02 MeV can interact with matter as. |
Photoelectric effect
Compton effect
Pair production
annihilation of matter
|
12 |
Disintegration of photon on striking a nucleus into an electron and positron is known as. |
Annihilation of matter
Compton effect
Pair production
Photo electric effect
|
13 |
In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of. |
90<sup>o</sup>C
Zero
120<sup>o</sup>C
45<sup>o</sup>C
|
14 |
Maximum Compton shift is observed at. |
30<sup>o</sup>C
90<sup>o</sup>C
45<sup>o</sup>C
180<sup>o</sup>C
|
15 |
The quantity/factor h/moc has the dimensions of. |
Length
Time
Mass
Energy
|
16 |
Compton effect proves. |
Wave nature of radiation
Wave nature of particle
Dual nature of particle
Particle nature of radiations
|
17 |
Photo electrons are emitted y using visible light when the metal is. |
sodium
Copper
Nicked
Cobalt
|