- 1(current)
Q. No.In Young's double-slit experiment, the source is white light. One of the holes is covered by a red filter and another by a blue filter. In this case,
| 1. | there shall be alternate interference patterns of red and blue |
| 2. | there shall be an interference pattern for red distinct from that for blue |
| 3. | there shall be no interference fringes |
| 4. | there shall be an interference pattern for red mixing with one for blue |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology 
At \(P_2\) on the screen, there is a hole and behind \(P_2\) is a second \(2\text-\)slit arrangement with slits \(S_3, S_4\) and a second screen behind them.
| 1. | There would be no interference pattern on the second screen but it would be lighted. |
| 2. | The second screen would be totally dark. |
| 3. | There would be a single bright point on the second screen. |
| 4. | There would be a regular two-slit pattern on the second screen. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo Sources \(S_1\) and \(S_2 \) of intensity \(I_1\) and \(I_2\) are in front of a screen [Fig.(a)]. The pattern of intensity distribution seen in the central portion is given by Fig.(b).
In this case, which of the following statements are true?
| (a) | \(S_1\) and \(S_2\) have the same intensities. |
| (b) | \(S_1\) and \(S_2\) have a constant phase difference. |
| (c) | \(S_1\) and \(S_2\) have the same phase. |
| (d) | \(S_1\) and \(S_2\) have the same wavelength. |
Choose the correct option:
| 1. | (a), (b), (c) | 2. | (a), (b), (d) |
| 3. | (b), (c), (d) | 4. | (c), (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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