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