MHT CET · Physics · Ray Optics
Two thin lenses have a combined power of \(+9 D\). When they are separated by a distance of \(20 \mathrm{~cm}\), then their equivalent power becomes \(+\frac{27}{5}\) D. Their individual power (in diopter) is respectively
- A 2,7
- B 1,8
- C 4,8
- D 3,6
Answer & Solution
Correct Answer
(D) 3,6
Step-by-step Solution
Detailed explanation
The correct option is (D).
Given, combined power of the lenses:
On solving equation (1) and (2),
\(P_1=3 D\) and \(P_2=6 D\)
Given, combined power of the lenses:
On solving equation (1) and (2),
\(P_1=3 D\) and \(P_2=6 D\)
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