Question

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1. a plane mirror forms an image of an object because it __________ light from the object.
a. absorbs b. reflects
c. passes d. emits



2. which of these are required to form the shadow of a ball .

a. torch b. screen
c. ball d. all of these ​

Answer 1

Answer:

A mirror that forms a virtual image of a real object is :

(a) Concave mirror: When object is placed only between pole and focus of the mirror.

(b) Convex mirror: For all positions of objects, image is virtual.

(c) Plane mirror: Image formed is virtual.

Shadows are formed when light encounters an object which it cannot pass through and thus get blocked. Because the light became blocked, the area behind it will be in darkness, which we call a shadow. Another person has already pointed out that for shadows to form, two things are needed viz.

Answer 2

Explanation:

Covcance mirror

covex mirror

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