- 1(current)
Q. No.A ray is incident at an angle of incidence \(i\) on one surface of a small angle prism (with the angle of the prism \(A\)) and emerges normally from the opposite surface. If the refractive index of the material of the prism is \(\mu,\) then the angle of incidence is nearly equal to:
| 1. | \(\dfrac{2A}{\mu}\) | 2. | \(\mu A\) |
| 3. | \(\dfrac{\mu A}{2}\) | 4. | \(\dfrac{A}{2\mu}\) |
Subtopic: Prisms |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA ray is incident normally onto the surface \(AB\) of the prism \((\angle A=30^\circ,\angle B=90^\circ).\) The refractive index of the material of the prism is \(\sqrt2.\) The deviation of this ray is:
1. \(30^\circ\) downward
2. \(15^\circ\) downward
3. \(30^\circ\) upward
4. \(15^\circ\) upward
1. \(30^\circ\) downward
2. \(15^\circ\) downward
3. \(30^\circ\) upward
4. \(15^\circ\) upward
Subtopic: Prisms |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA ray of light, incident at \(45^{\circ}\) onto the surface \(AB\) of the right angled prism, is reflected from \(AC\) and retraces its path backwards. The refractive index of the material of the prism is:
1. \(\sqrt2\)
2. \(2\)
3. \(2\sqrt2\)
4. \(2+\sqrt2\)
1. \(\sqrt2\)
2. \(2\)
3. \(2\sqrt2\)
4. \(2+\sqrt2\)
Subtopic: Prisms |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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