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- Stuck here, help me understand: Match List - I (Fundamental Experiment) with List - II (its conclusion) and select the correct option from the choices given :below the list
Match List - I (Fundamental Experiment) with List - II (its conclusion) and select the correct option from the choices given :below the list
| Option 1)
(A) - (i) (B) - (iv) (C) - (iii) |
Option 2)
(A) - (ii) (B) - (iv) (C) - (iii) |
| Option 3)
(A) - (ii) (B) - (i) (C) - (iii)
|
Option 4)
(A) -(iv) (B) - (iii) (C) - (ii) |
Answers (1)
As we learnt in
Frank Hertz Experiment -
Frank and Hertz had proposed that the 4.9 V characteristic of their experiments was due to ionization of mercury atoms by collisions with the flying electrons emitted at the cathode.
- wherein
Davisson Germer Experiment -
The energy of the incident beam of electrons can be varied by changing the applied voltage to the electron gun.
- wherein
Intensity of scattered beam of electrons is found to be maximum when angle of scattering is and the accelerating potential is 54 V
Photoelectric Effect -
It is the emission of electrons (photoelectron) when light strikes a surface.
- wherein
X-rays ,-rays ,UV -rays ,visible light and even infra red rays of suitable frequency.
Frankck Hertz experiment - Discrete energy event of atom
Photo-electric effect - Particle nature of light
Davison - Germer experiment - Wave nature of light.
Correct answer is 3
Option 1)
(A) - (i) (B) - (iv) (C) - (iii)
This is an incorrect option.
Option 2)
(A) - (ii) (B) - (iv) (C) - (iii)
This is an incorrect option.
Option 3)
(A) - (ii) (B) - (i) (C) - (iii)
This is the correct option.
Option 4)
(A) -(iv) (B) - (iii) (C) - (ii)
This is an incorrect option.
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