MCQ- 17 ICSE Physics class 10 ch-2 Light

Class 10 - Light Quiz (Sign Convention for Lenses)

1. According to the sign convention, the distance measured against the direction of incident light is:

Negative
Positive
Zero
Undefined

2. The height of the image formed by a concave lens is always taken as:

Negative
Positive
Zero
Infinity

3. According to sign convention, the focal length of a convex lens is:

Positive
Negative
Zero
Undefined

4. For a real image formed by a convex lens, the image distance is:

Positive
Negative
Zero
Infinite

5. For a concave lens, the image formed is always virtual and:

Negative
Positive
Zero
Infinite

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