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Only One of the Following Applies to a Concave Lens. this Is: (A) Focal Length is Positive (B) Image Distance Can Be Positive Or Negative (C) Height of Image Can Be Positive Or Negative (D) Image Distance is Always Negative - Science

Only one of the following applies to a concave lens. This is:
(a) focal length is positive
(b) image distance can be positive or negative
(c) height of image can be positive or negative
(d) image distance is always negative

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Solution

 image distance is always negative
Because a concave lens always forms a virtual image on the left side of the lens.

Concept: Concave Lens
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APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 5 Refraction of Light
Q 15 | Page 256
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