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A plano convex lens of refractive index  and focal length  is kept in contact with another plano concave lens of refractive index  and focal length . If the radius of curvature of their spherical faces is R each and  are related as:

(a)

+ =3

(b)

=1

(c)

=1

(d)

=1



Question ID - 50244 | SaraNextGen Top Answer

A plano convex lens of refractive index  and focal length  is kept in contact with another plano concave lens of refractive index  and focal length . If the radius of curvature of their spherical faces is R each and  are related as:

(a)

+ =3

(b)

=1

(c)

=1

(d)

=1

1 Answer
127 votes
Answer Key / Explanation : (b) -

= =

=

=

=1

127 votes


127