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MODERN PUBLICATION-Optical Instruments-EXERCISE
- A person with myopic eye cannot see objects beyond 1.2 m distinctly. W...
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- The far point of a myopic person is 80 cm. In front of the eye. What i...
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- The near point of a hypermetropia eye is 1 m find the power of the len...
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- A certain person can see clearly objects at a distnaces btween 20 cm a...
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- A certain nearsighted person cannot see objects clearly,when they are ...
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- A diamond cutter uses a jeweller's lens to eamine a diamond.If the foc...
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- Sherllock Homes looks at a fingerprint with a magnifying glass of powe...
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- A converging lens of power 25 D is used as a simple microscoe.Calculae...
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- A man with normal near point (25 cm) reads a book with small print usi...
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- A man with normal near point (25 cm) reads a book with small print usi...
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- In a compound microscope,an object is placed at a distance of 1.5 cm f...
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- The focal lengths of the objective and eye-piece of a compound microsc...
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- A compound microscope consists of an objective lens of focal length 2....
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- The total magnification produced by a compound microscope is 20,while ...
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- An astronoical telescope consists of two thin lenses set 36 cm apart a...
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- The magnifying power an astronomical telescope in the normal adjustmen...
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- An astronomical telescope,when in normal adjustment has magnifying pow...
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- A small telescope has an objective lens of focal length 140cm and an e...
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- An astronomical telescope,when in normal adjustment has magnifying pow...
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- A reflecting type telescope has a large spherical mirror for its objec...
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