If $$c$$ is the velocity of light in free space, the correct statements about photon 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, $$p={\large\frac{h\nu}{c}}.$$ D. In a photon-electron collision, both total energy and total momentum are conserved. E. Photon possesses positive charge.
Choose the correct answer from the options given below:

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: Â Particle Nature of Light |
Â 59%
From NCERT
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. $$10^{17}$$

Subtopic: Â Particle Nature of Light |
Â 64%
From NCERT
NEET - 2021
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