- 1(current)
Q. No.| 1. | \(\mathrm{Na}\) only | 2. | \(\mathrm{Cs}\) only |
| 3. | Both \(\mathrm{Na}\) and \(\mathrm{K}\) | 4. | \(\mathrm{K}\) only |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | work function of material |
| 2. | intensity of incident radiation |
| 3. | frequency of incident radiation |
| 4. | wavelength of incident radiation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | four times | 2. | one-fourth |
| 3. | zero | 4. | doubled |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe work function of the photosensitive material is \(4.0~\text{eV}\). The longest wavelength of light that can cause photoelectric emission from the substance is (approximately):
1. \(3100~\text{nm}\)
2. \(966~\text{nm}\)
3. \(31~\text{nm}\)
4. \(310~\text{nm}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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