Ray Optics and Optical Instruments

Related Questions

• A prism of refracting angle $60^o$ is made with a material of refractive index $\mu$. For a certain wavelength of light, the angle of minimum deviation is $30^o$. For this, wavelength the value of refractive index of the material is

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• Two convex lenses of focal lengths 0.3 m and 0.05 m are used to make a telescope. The distance kept between the two is

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• A fist looking from within water sees the outside world through a circular horizon. If the fish $\sqrt{7}$cm below the surface of water, what will be the radius of the circular horizon

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• The band spectra (characteristic of molecular species) is due to emission of radiation

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• When a plane mirror is rotated through an angle $\theta $then the reflected ray turns through the angle $2\theta $ then the size of the image

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