Physics, asked by kiranmaisree815, 5 months ago

if radius of curvature is 21 c.m what is focal length

Answers

Answered by rituy421gmailcom

1

Answer:

the radius is 21cm

and length of curvature =42cm

Explanation:

please mark me as a brain list

Previous Question

Next Question

Similar questions

Social Sciences, 2 months ago

write about the importance of parlamentary form of the government ...

English, 2 months ago

If he had money.he would help the poor(begin with "had")...

Science, 2 months ago

What is amphibians????

Math, 5 months ago

simplify -3/4 +2/3 + -4/5...

Math, 5 months ago

Which direction will you face if you start facing (a) East and make 1/2 of a revolution clockwise? (b) North and make 3/2 of a revolution Anticlockwise?

Math, 9 months ago

xy=48 y=6 what's x= in a number...

Science, 9 months ago

1. Name the cause that changes temperature of a body.

Physics, 9 months ago

Pick out the wrong statement. 1) Kinetic energy is the energy of moving things. 2) In first-class lever, the fulcrum is in the centre. 3) Gravity is a force that makes things fall on the Earth. 4) Rough surfaces cause less friction than the smooth ones.