Physics, asked by BhorAdityaBaghel, 1 year ago

power of concave lens is 4.5d. find it focal length

Answers

Answered by tushar189

1

focal length =1/4.5d
focal length =0.22m

Answered by kutty10

2

power=1/focal length
focal length=1/power
=1/4.5
=0.22m

Previous Question

Next Question

Similar questions

Biology, 8 months ago

आरेख की मदद से आक्सीकारक फास्फारिलीकरण का वर्णन...

Physics, 8 months ago

two bodies of masses 4kg and 16kg are at rest. The ratio of times for which the same force must act on them to produce the same kinetic energy in both of them is...

CBSE BOARD XII, 8 months ago

Which surface of earth is denser...

Math, 1 year ago

the area of trapezium is 156 square centimetre if one of the parallel side is 9 cm and the distance between them is 12 cm find the length of the Other parallel side...

Math, 1 year ago

solve the following pair of linear equations for x anf y x/2+2y/3=1, x-y/3=3...

Math, 1 year ago

Show that : (i) tan 48° tan 23° tan 42° tan 67° = 1 (ii) cos 38° cos 52° – sin 38° sin 52° = 0...

Math, 1 year ago

Evaluate : (i) sin 18°/cos 72° (ii) tan 26°/cot 64° (iii) cos 48° – sin 42° (iv) cosec 31° – sec 59°...

English, 1 year ago

mother me like u and loe to but dad scold me why (correct the sentence with grammatically mistake s)...