Physics, asked by dolharesandhya56, 2 months ago

power of a lens is 40, its focal length is :
(a)4m
(b) -40cm
(c)-0.25m
(d) -25m

pls solve it correctly

Answers

Answered by sejalghunare

1

Answer:

power of lens is 40, its focal length is - 0.25m.

Answered by anjuleegupta9

0

Answer: if P= -40 D. then

f = -0.025 m

Previous Question

Next Question

Similar questions

Math, 1 month ago

Find the equation of the circle with (2,3) and (6,9) as the end points of the diameter...

History, 1 month ago

Discuss any three functions of the union legislature...

English, 1 month ago

Exercise-2 Use much better, a lot, a little, a bit in the following sentences 1. The old woman was very tired; she requested us to walk_____ slowly. 2) It _______eat at home than in a restaurant 3)He had made _______ of effort to make his party a ________ 4) Next Ashok is______than me and can resist any infection 5. If you had been _______more careful,the accident would not have taken place. 6.

English, 2 months ago

use the correct form of the verb . she___ ( wait) for us since 8o'clock.

Math, 2 months ago

Find the equation of the circle through the point (4.3) and (-2, 5) and having it's center on the line 2x- 3y = 4...

Geography, 9 months ago

Find the value of 4 sin 30° + 6 tan 45°...

Math, 9 months ago

Find the sum of first 22 terms of ap 8,3,-2,_ _ _...

English, 9 months ago

What human value do you see in grandmother after reading the story of the adventure of toto...