If two lenses of power + 1.5 and + 1.0 D...

If two lenses of power + 1.5 and + 1.0 D are placed in contact, then the effective power of combination will be

2.5 D

1.5 D

0.5 D

3.25 D

Text Solution

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The correct Answer is:

B, D

`P = P_(1) + P_(2) = + 1.5 + 1.0 = + 2.5 D`

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