Question

True/False

1.A concave lens can be used to produce an enlarged and erect image.
2.A convex lens always produces a real image.
3. The sides of an object and its image formed by a concave mirror are always interchanged.
4.An object can be seen only if it emits light.
5.The image formed in a plane mirror is erect, enlarged and virtual.
6.A concave mirror always forms an erect and diminished image of the object.
7.The image formed in a plane mirror is behind the mirror.
8. A concave mirror is also known as a converging mirror.
9.A virtual image is larger than the object can be produced by a convex mirror
10.The mirror which can form a magnified image of an object is both convex and concave mirrors.

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Answer 1

$\huge \underline \red{Answer} (◠‿◕)$

1. False. A concave lens can only form an erect, diminished and virtual image of an object.
2. False. A convex lens can form inverted, diminished and real image of an object when object keep between pole and focus.
3. True. In the image formed by concave mirror left side seems to be right side and right side looks like left side of object.
4. False. An object can be seen only if it reflects light falling on it.
5. False. The image formed in a plane mirror is erect.
6. False.
7. True.
8. True.
9. False. A virtual image is larger than the object can be produced by a concave mirror.
10. True.

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