# GENERAL KNOWLEDGE

## GK

### PHYSICS

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The size of the image is always smaller than the object in
 A plane mirror B silver mirror C concave mirror D convex mirror
Explanation:

Detailed explanation-1: -Convex mirror always form virtual and smaller in size or diminished images while concave mirror forms real image .

Detailed explanation-2: -As the object moves towards the mirror inside the focal point the image becomes virtual and upright behind the mirror. Initially the virtual image is much larger than the object and really far away, but as the object approaches the mirror the virtual image also approaches the mirror and decreases in size.

Detailed explanation-3: -The image formed by a convex mirror is of size one-third the size of object .

Detailed explanation-4: -EXPLANATION: The image formed by a convex mirror is always smaller than the object size.

Detailed explanation-5: -The magnification is the ratio of height of the image to height of the object. The image formed by a convex mirror is always diminished in size.

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