CBSE BOARD XII, asked by thekingnagaabhi, 4 hours ago

a convex lens made of material of refractive index 1.5 and radius of curvature are in ratios 4:5 . find focal length

Answers

Answered by ajeetjmdsecurityserv

0

Answer:

ok so I will not answer the exact solution. but will tell you method to do this question.

R.I = 1.5

THEN FIND RATIOS

AND then apply the formula

Previous Question

Next Question

Similar questions

Math, 2 hours ago

Bishan and Sudha were partners in a firm sharing profits and losses in the ratio of 5: 3. Alena was admitted as a new partner. It was decided that the new profit sharing ratio of Bishan, Sudha and Alena will be 10 : 6 : 5. The sacrificing ratio of Bishan and Sudha will be : (A) 5:3 (B) 25: 78 (C) 6:5 (D) 2:1 (C.B.S.E. 2020, Kerala Treatme 27. 21 and R koi hai kya??

Biology, 2 hours ago

Different cycles in natural resources lesson about different cycles in nature a report to be prepared. Class 9...

Physics, 2 hours ago

The diameter of the Sun is 1.4× 10^11 cm, and the distance to the nearest star, Proxima Centauri, is 4.2 ly. Suppose you want to build an exact scale model of the Sun and Proxima Centauri, and you are using a ball 30 cm in diameter to rep-resent the Sun. In your scale model, how far away would Proxima Centauri be from the Sun? Give your answer in kilo-meters, using powers-of-ten notation.

Science, 4 hours ago

what is meant by religious diversity...

English, 4 hours ago

c Reading : I will do it to what kind of boy was Mr. Narayana Murthy in his childhood? 2 How would he help his seniors ? 3. what subjects was he intrested in? 4. How could could he understand the theories of science?

Math, 8 months ago

State True or False In A PQR, ZP: ZQ : ZR= 4:4:1. Then ZQ = 45°...

Physics, 8 months ago

1 point 15. 9.A stone tied with a thread rotating along circular path and get detached from a point then it will move Mark only one oval. (a) Towards the center of circular path (b) Away from circular path (c) In the direction of velocity (d) Along circular path...

English, 8 months ago

combine the following sentence usingthe conjuction that is provided in the brackets: 4. The lift will not start. you press that button (until).