Science, asked by priya1758, 4 months ago

A combination of convex lens and concave lens as a power of +2. If the focal length of the convex lens is 25cm .What will be the focal length of concave
lens used in their combination

Answers

Answered by natasha0316th

1

Answer:

P=P1+P2=f11+f21=251+−251=0

Previous Question

Next Question

Similar questions

English, 2 months ago

Two roads diverged in a yellow mood And sorry I couldn't travel both And be one traveller,long I stood And looked down one as far as I could To where it bent in the undergrowth Find any two rhyming words from from the stanzas...

Math, 2 months ago

9) How many angles are formed in each of the following figures? a) b) 3 II c) = 4...

Math, 2 months ago

12/2% of ₹60 is how many rupees?

Science, 4 months ago

what is landscape?what is spoilage of landscape ?

Science, 4 months ago

what are capillaries?

Physics, 9 months ago

a force of 10 N is applied to push a box lying on a table such that it moves 5m . If the force of friction acting on the box is 3N.calculate the amount of work done by the applied force and the force of friction.

English, 9 months ago

what is the importance of hard work...

English, 9 months ago

What is degree of certainty? write words or to add words express certainty 1: it is going to rain tomorrow 2:I will join you. 3:He is liar.