Find the power of a concave lens of foca | Class 10 Science Chapter Light - Reflection and Refraction, Light - Reflection and Refraction NCERT Solutions

Question:

Find the power of a concave lens of focal length 2 m.

Answer:

Given,

Focal length of concave lens, f = - 2 m

Power of a lens,

a negative sign is due to the divergent nature of the concave lens.

Hence, the power of the given concave lens is −0.5 D.


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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 4 , Question 3: Find the power of a concave lens of focal length 2 m.....