1. | \(4.4~\text{eV}\) | 2. | \(7.103\times10^{-15}~\text{J}\) |
3. | \(1.9~\text{eV}\) | 4. | \(4.60~\text{eV}\) |
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. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
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 positive charge. |
1. | \({e}+2\phi \) | 2. | \(2{e}-\phi \) |
3. | \({e}-\phi \) | 4. | \({e}+\phi \) |
1. | work function of material |
2. | intensity of incident radiation |
3. | frequency of incident radiation |
4. | wavelength of incident radiation |
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. | \(4h\nu_0\) |