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KUMAR PRAKASHAN-RAY OPTICS AND OPTICAL INSTRUMENTS-SECTION - A (TRY YOURSELF)
- Explain first focal centre and second focal centre for biconvex lens b...
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- Explain first focal centre and second focal centre for biconcave lens ...
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- Write equation and definition of lateral magnification for lens.
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- Define power of lens, obtain its equation and write its SI unit.
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- Write SI unit of power.
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- Is power negative or positive for concave lens ?
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- In which optical instruments, combination of lenses is used ?
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- What is incidence angle ?
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- What is emergence angle?
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- Define deviation angle.
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- On which does deviation angle depend ?
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- Write equation of refractive index of from refraction through prism.
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- For small prism angle, obtain Dm=(n(21)-1)
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- Define minimum deviation angle.
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- Mention element colours of white light.
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- What is despersion of light?
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- Mention the colours which have the least and the most wavelength in vi...
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- Which colour has more speed in glass prism? Blue or yellow ?
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- Explain dispersive and non-dispersive medium.
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- By combination of which processes, rainbow is formed ?
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