- 1(current)
Q. No.According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(h\nu_0\) | 2. | \(2h\nu_0\) |
| 3. | \(3h\nu_0\) | 4. | \(4h\nu_0\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe work function of caesium is \(2.14~\text{eV}\). The wavelength of incident light if the photocurrent is brought to zero by a stopping potential of \(0.60~\text{V}\) will be:
1. \(454~\text{nm}\)
2. \(440~\text{nm}\)
3. \(333~\text{nm}\)
4. \(350~\text{nm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(2~\text{eV}\) | 2. | \(2~\text{V}\) |
| 3. | \(1.1~\text{V}\) | 4. | \(6.4~\text{V}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThis light wave falls on a metal having a threshold frequency, \(\nu_o.\) The maximum kinetic energy of the emitted photoelectrons will be: (\(h\) is Planck's constant)
| 1. | Either \(\frac{h \omega_{1}}{2 \pi}\) or \(\frac{h \omega_{2}}{2 \pi}\) |
| 2. | Either\(\left(\frac{h \omega_{1}}{2 \pi}-h \nu_{0}\right)\) or \(\left(\frac{h \omega}{2 \pi}-h \nu_{0}\right)\) |
| 3. | \(\frac{h\left(\omega_{1}+\omega_{2}\right)}{2 \pi}-h \nu_{0}\) |
| 4. | Both \(\frac{h\left(\omega_{1}+\omega_{2}\right)}{2 \pi}-h \nu_{0}\) and \(\frac{h\left |\omega_{1}-\omega_{2}\right|}{2 \pi}-h \nu_{0}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(Take \(hc=12400\) eV-\(\mathring A\))
1. \(0.5\) eV
2. \(3.1\) eV
3. \(1.1\) eV
4. \(2\) eV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(5\lambda\)
2. \(\frac{5}{2} \lambda\)
3. \(3\lambda\)
4. \(4\lambda\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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