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When an object is placed 40cm from a div...

When an object is placed 40cm from a diverging lens, its virtual image is formed 20cm from the lens. The focal length and power of lens are

A

If `f gt 0, y` must be greater than x

B

If `f lt 0, y` must be less than x

C

If `f gt 0, I_(2)` may be farther from lens than `I_(1)`

D

If `f lt 0, I_(1)` must be farther from lens than `I_(2)`

Text Solution

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The correct Answer is:
B, C, D
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