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. |
1. | 2. | ||
3. | 4. |
Statement I: | The de Broglie wavelength associated with a material particle depends on its charge and nature. |
Statement II: | The wave nature of particles in sub-atomic domain is significant and measurable. |
1. | Both Statement I and Statement II are correct. |
2. | Both Statement I and Statement II are incorrect. |
3. | Statement I is correct but Statement II is incorrect. |
4. | Statement I is incorrect but Statement II is correct. |
1. | \(\mathrm{Na}\) only | 2. | \(\mathrm{Cs}\) only |
3. | Both \(\mathrm{Na}\) and \(\mathrm{K}\) | 4. | \(\mathrm{K}\) only |
1. | \(h\nu_0\) | 2. | \(2h\nu_0\) |
3. | \(3h\nu_0\) | 4. | \(4h\nu_0\) |
1. | \(2~\text{eV}\) | 2. | \(2~\text{V}\) |
3. | \(1.1~\text{V}\) | 4. | \(6.4~\text{V}\) |
In a photoelectric experiment, blue light is capable of ejecting a photoelectron from a specific metal while green light is not able to eject a photoelectron. Ejection of photoelectrons is also possible using light of the colour:
1. yellow
2. red
3. violet
4. orange