True False[1 Marks ]

Question 11 Mark

The sides of an object and its image formed by a concave mirror are always interchanged.

Answer

True

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Question 21 Mark

An object can be seen only if it emits light.

Answer

False

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Question 31 Mark

A concave lens can be used to produce an enlarged and erect image.

Answer

False

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Question 41 Mark

A convex lens always produces a real image.

Answer

False

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Question 51 Mark

In a convex spherical mirror, reflection of light takes place at a bent in surface.

Answer

False

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Question 61 Mark

The mirror which can form a magnified image of an object is both convex and concave mirrors.

Answer

False

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Question 71 Mark

A concave mirror always form a real image.

Answer

False

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Question 81 Mark

A real image cannot be obtained on a screen.

Answer

False

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Question 91 Mark

We can obtain a real, enlarged and inverted image by a concave mirror.

Answer

True

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Question 101 Mark

A concave lens always form a virtual image.

Answer

True

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Question 111 Mark

We can obtain an enlarged and erect image by a convex mirror.

Answer

False

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Question 121 Mark

The rainbow formation is due to the reflection of light.

Answer

False

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Question 131 Mark

Convex mirror is used to see the wide area.

Answer

True

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Question 141 Mark

The outer part of the shining spoon acts as a concave mirror.

Answer

False

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Science True False[1 Marks ]

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