Physics, asked by Lagoona, 1 year ago

what is the focal length is R = 40?

Answers

Answered by prakharverma2209

2

Answer:

20 units

Explanation:

F = R/2

F = 40/2

F = 20

The focal length is 20 units long

Answered by piyushraj77

0

Answer:

It always be in convex lens.

hope it will helps u

Previous Question

Next Question

Similar questions

Hindi, 6 months ago

Talwar phek dena muhawre ka mean...

English, 6 months ago

Interview writing (Frame 10 question you would ask the person who has recovered from coronavirus disease) ...

English, 6 months ago

The narrator wished to understand music so that _________________, complete it.

Science, 1 year ago

1. संघ राज्य का अर्थ बताएँ ।...

Math, 1 year ago

Shubham spent 7/9 of his time in the morning studying maths and science. he spend 4/7 of his time studying maths. what fraction of the total time did he spent studying science?

Science, 1 year ago

How did Kepler’s discoveries contribute to astronomy?

English, 1 year ago

diary entry of satyajit ray...

English, 1 year ago

Describe the treatment that ali got at post office. What perceptable change came in the postmaster in the end and what was the cause of that change?