- 1(current)
Q. No.Match List-I with List-II:
Choose the correct answer from the options given below:
1. \(\mathrm{A\text-IV, B\text-III, C\text-I, D\text-II}\)
2. \(\mathrm{A\text-I, B\text-IV, C\text-III, D\text-II}\)
3. \(\mathrm{A\text-IV, B\text-I, C\text-II, D\text-III}\)
4. \(\mathrm{A\text-IV, B\text-III, C\text-II, D\text-I}\)
| List-I | List-II | ||
| \(\mathrm{(A)}\) | \(E = h\nu\) | \(\mathrm{(I)}\) | de-Broglie wavelength |
| \(\mathrm{(B)}\) | Diffraction and Interference | \(\mathrm{(II)}\) | Particle nature of light |
| \(\mathrm{(C)}\) | \(\lambda = h/p\) | \(\mathrm{(III)}\) | Wave nature of light |
| \(\mathrm{(D)}\) | Compton effect | \(\mathrm{(IV)}\) | Energy of photon |
1. \(\mathrm{A\text-IV, B\text-III, C\text-I, D\text-II}\)
2. \(\mathrm{A\text-I, B\text-IV, C\text-III, D\text-II}\)
3. \(\mathrm{A\text-IV, B\text-I, C\text-II, D\text-III}\)
4. \(\mathrm{A\text-IV, B\text-III, C\text-II, D\text-I}\)
Subtopic: Particle Nature of Light |
75%
Level 2: 60%+
NEET - 2026
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Please attempt this question first.
If \(c\) is the velocity of light in free space, the correct statements about photons among the following are:
| (A) | The energy of a photon is \(E=h\nu.\) |
| (B) | The velocity of a photon is \(c.\) |
| (C) | The momentum of a photon, \(p={\dfrac{h\nu}{c}}.\) |
| (D) | In a photon-electron collision, both total energy and total momentum are conserved. |
| (E) | Photon possesses a positive electric charge. |
| 1. | (A), (B), (C) and (D) only |
| 2. | (A), (C) and (D) only |
| 3. | (A), (B), (D) and (E) only |
| 4. | (A) and (B) only |
Subtopic: Particle Nature of Light |
62%
Level 2: 60%+
NEET - 2024
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The number of photons per second on an average emitted by a source of monochromatic light of wavelength \(600~\text{nm}\), when it delivers the power of \(3.3\times 10^{-3}\) watt will be:\((h = 6.6\times10^{-34}~\text{J-s})\)
1. \(10^{16}\)
2. \(10^{15}\)
3. \(10^{18}\)
4. \(10^{17}\)
1. \(10^{16}\)
2. \(10^{15}\)
3. \(10^{18}\)
4. \(10^{17}\)
Subtopic: Particle Nature of Light |
67%
Level 2: 60%+
NEET - 2021
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Radiation of energy \(E\) falls normally on a perfectly reflecting surface. The momentum transferred to the surface is:
(\(c\) = velocity of light)
| 1. | \(E \over c\) | 2. | \(2E \over c\) |
| 3. | \(2E \over c^2\) | 4. | \(E \over c^2\) |
Subtopic: Particle Nature of Light |
74%
Level 2: 60%+
NEET - 2015
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A \(200~\text{W}\) sodium street lamp emits yellow light of wavelength \(0.6~\mu\text{m}.\) Assuming it to be \(25\%\) efficient in converting electrical energy to light, the number of photons of yellow light it emits per second is:
1. \(1.5\times 10^{20}\)
2. \(6\times 10^{18}\)
3. \(62\times 10^{20}\)
4. \(3\times 10^{19}\)
Subtopic: Particle Nature of Light |
74%
Level 2: 60%+
AIPMT - 2012
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Which of the following demonstrates the particle nature of light?
| 1. | photoelectric effect | 2. | interference |
| 3. | refraction | 4. | polarisation |
Subtopic: Particle Nature of Light |
91%
Level 1: 80%+
AIPMT - 2001
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- 1(current)
Q. No.
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