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Q. No.Huygens' wave theory allows us to know the:
| 1. | wavelength of the wave. |
| 2. | velocity of the wave. |
| 3. | amplitude of the wave. |
| 4. | propagation of the wavefront. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen the light diverges from a point source, the shape of the wavefront is:
1. Parabolic.
2. Plane.
3. Spherical.
4. Elliptical.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBy Huygen's wave theory of light, we cannot explain the phenomenon of:
| 1. | Interference |
| 2. | Diffraction |
| 3. | Photoelectric effect |
| 4. | Polarisation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not true?
| 1. | The speed of light is dependent on the colour of the light. |
| 2. | The speed of violet light is less than the speed of the red light in glass. |
| 3. | The frequency of light never depends upon the property of the medium. |
| 4. | When the light diverges from a point source, the shape of the wavefront is plane. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(7\)
2. \(5\)
3. \(\sqrt{7}\)
4. \(6.5\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(8:5\)
2. \(5:8\)
3. \(1:4\)
4. \(9:1\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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