Question

A student performs an activity where he uses a lamp and projects its image on a screen as shown in the image.
He kept on changing the distance between the lamp and the mirror for various positions. He notices that the image formed on the screen disappears when the lamp is held close to the mirror. What explains the disappearance of the image on the screen?
(a) Size of the screen should always be larger than of the object
(b) Objects held close to a concave mirror produces a virtual image
(c) Concave mirror does not reflect light when the object is held too close to it.
(d) Distance of the screen from the mirror should always be less than that of the object

Answer 1

Answer:

Option b

Objects held close to a concave mirror produces a virtual image

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