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FULL MARKS-OPTICS-ADDITIONAL QUESTIONS (I. Choose the correct answer)
- The speed of light in vaccum is ms^(-1).
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- Mie scattering is responsible for the …………. Apperance of the clouds.
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- Which is the following is not an axample of colloid ……..
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- The band of colours is termed as .
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- The refractive index of a medium is dependent on the .
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- …… scattering takes place when the diameter of the scatterer is simila...
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- The colour of the sun is red at sun is red at sunrise and sunset . Thi...
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- The energy of incident and scattered beam of light are not same, that ...
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- If one of the focus of a bi-covnex lens is plane, it is known as a .
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- The spectral lines having frequency equal to the incident ray frequenc...
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- The object is always placed on side of the lens.
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- Magnification of a convex lens is
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- Where should an object be placed so that a real and inverted image of ...
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- All the distances are measured from the ………….. Of the lens.
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- Lens formula is
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- Power of a lens is numerically defined as the reciprocal of its .
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- Eye lens is in nature.
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- Astigmatism is corrected using
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- The least distance of distinct vision is .
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- is the centre part of the iris.
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