Ray Optics and Optical Instruments

Related Questions

• A plane mirror makes an angle of $30^\circ $ with horizontal. If a vertical ray strikes the mirror, find the angle between mirror and reflected ray

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• When a plane mirror is placed horizontally on a level ground at a distance of $60$ m from the foot of a tower, the top of the tower and its image in the mirror subtend an angle of $90^\circ $ at the eye. The height of the tower will be

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• The focal length of a concave mirror is $50cm.$ Where an object be placed so that its image is two times and inverted

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• 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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• A lens of power + 2 diopters is placed in contact with a lens of power – 1 diopter. The combination will behave like

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