# 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 :- 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
5876 Votes
3537

Answer Key : (b) -

= =

=

=

=1

Next Question :
 Two electric dipoles,  A, B with respective dipole moments  = −4qa  and =−2qa  placed on the x-axis with a separation R, as shown in the figure The distance from A at which both of them produce the same potential is (a) (b) (c) (d)

View Topper Answer

We hope we have given the updated helpful answer / content for your query in an easily accessible format to help you in preparing adequately. We do offer free support materials, 10th maths guide, 10th science guide, 10th tamil guide, 10th social guide, 10th english guide, science 10th guide and also for all the classes books and guide to all the students who sign up for SaraNextGen. Apart from traditional textbook queries, we've got conjointly provided further high order level thinking issues, that are seemingly to be expected in boards and competitive exams. It includes conceptual queries, MCQs, Long and short answer type queries, etc. These Questions are designed to learn each student and academics by providing chapter-wise further issues focusing totally on testing conceptual information with applications. Here, we've got provided a number of the necessary ways in which within which the solutions of all the Questions will profit students of class 1 to 12. If you have any queries, drop a message to us and we will get back to you at the earliest.