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प्रश्न
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
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उत्तर
`angle i + 40° = 90°`
`=> angle i = 50°`
Using law of reflection, we have
`angle i = angle r = 50°`
संबंधित प्रश्न
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
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An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
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- focal length of the concave mirror.
Give two uses of convex mirror.
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Locate the image termed when the object is placed between two planes as shown in the following figure.
______ through which light cannot pass.
Select the WRONG statement in case of image formed by a plane mirror.
