Question

Two lenses of power 10 d and -5 d are placed in contact calulate the power of lens combination

Answer 1

Answer:

two lenses of power 10 D and -5 are placed in contact calculate the power of lenses

Explanation:

means 10d - 5 all place to contact the power if you want to do their do the - you will

Answer 2

The power of the combination of lens is 5 D.

Explanation:

Given that,

Power of lens, $P_1=10\ D$

Power of lens, $P_2=-5\ D$

To find,

The power of the combination of lens.

Solution,

The power of the combination of lens is given by the sum of individual powers such that,

$P=P_1+P_2$

$P=10+(-5)$

P = 5 D

So, the power of the combination of lens is 5 D. Hence, this is the required solution.

Learn more,

Power of the combination

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