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MBD -HARYANA BOARD-OPTICS-OBJECTIVE TYPE QUESTIONS
- What is polarisation ?
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- The focal length of a thin lens in vacuum is f. If the material of the...
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- Blue colour of sky is due to phenomenon of :
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- The power of a lens of focal length 0.5 m is :
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- Two lens of power - 12D and + 7D are in contact with each other, the f...
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- Optical fibre are based on
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- What is f in mirror formula (1)/(u)+(1)/(v)=(1)/(f) ?
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- For a normal eye, the least distance of distinct vision is
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- On which principle optical fibre is based ?
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- The ratio of intensities of two waves are given by 4:1. The ratio of t...
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- For the sustained interference of light, the necessary condition is th...
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- If two waves of intensity I and 4 I are super impose, then the minimum...
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- RAINBOW
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- Which of the following represents correct mirror formula ?
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- What is the unit of focal length ?
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- The focal length of a lens of power + 4D is :
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- Derive lens maker's formula for a thin convex lens.
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- The velocity of light in vacuum can be changed by changing
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- The focal length of a lens of power – 2D is :
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- Polarisation can be produced by
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- The refractive index of water is 1.33. What will be the speed of light...
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