- 1(current)
Q. No.1. \(7\)
2. \(5\)
3. \(\sqrt{7}\)
4. \(6.5\)
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Two superposing waves are represented by the following equations: \(y_1=5 \sin 2 \pi(10{t}-0.1 {x}), {y}_2=10 \sin 2 \pi(10{t}-0.1 {x}).\)
The ratio of intensities \(\dfrac{I_{max}}{I_{min}}\) will be:
1. \(1\)
2. \(9\)
3. \(4\)
4. \(16\)
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Two sources with intensity \(I_0\) and \(4I_0\) respectively interfere at a point in a medium. The maximum and the minimum possible intensity respectively would be:
1. \(2I_0, I_0\)
2. \(9I_0, 2I_0\)
3. \(4I_0, I_0\)
4. \(9I_0, I_0\)
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Two light sources are said to be coherent when their:
| 1. | Amplitudes are equal and have a constant phase difference |
| 2. | Wavelengths are equal. |
| 3. | Intensities are equal. |
| 4. | Frequencies are equal and have a constant phase difference. |
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In Young's double-slit experiment, the intensity of light at a point on the screen where the path difference is \(\lambda\) is \(K\), (\(\lambda\) being the wavelength of light used). The intensity at a point where the path difference is \(\frac{\lambda}{4}\) will be:
1. \(K\)
2. \(\frac{K}{4}\)
3. \(\frac{K}{2}\)
4. zero
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1. \(8:5\)
2. \(5:8\)
3. \(1:4\)
4. \(9:1\)
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- 1(current)
Q. No.
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