1. Difference between apparent and real depth of the pond
2. Mirage on hot summer days
3. Brilliance of the diamond
4. Working of optical fibre
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA ray of light travelling in a transparent medium of refractive index falls on a surface separating the medium from the air at an angle of incidence of 45 °. For which of the following value of , the ray can undergo total internal reflection?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe speed of light in media M1 and M2 is 1.5 × 108 m/s and 2.0 × 108 m/s respectively. A ray of light enters from medium M1 to M2 at an incidence angle i. If the ray suffers total internal reflection, the value of i is -
1. Equal to or less than sin–1
2. Equal to or greater than sin–1
3. less than sin–1
4. Equal to sin–1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA small coin is resting on the bottom of a beaker filled with a liquid. A ray of light from the coin travels upto the surface of the liquid and moves along its surface (see figure).
How fast is the light traveling in the liquid?
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology