Ray Optics and Optical Instruments

Related Questions

• The focal lengths of the objective and eye-lens of a microscope are 1 cm and 5 cm respectively. If the magnifying power for the relaxed eye is 45, then the length of the tube is

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• If in compound microscope $m_1$ and $m_2$ be the linear magnification of the objective lens and eye lens respectively, then magnifying power of the compound microscope will be

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• A person wears glasses of power – 2.0 D. The defect of the eye and the far point of the person without the glasses will be

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• The field of view is maximum for

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• The frequency of a light ray is $6\times {{10}^{14}}Hz.$Its frequency when it propagates in a medium of refractive index $1.5$, will be

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