Physics, asked by sianniang08, 5 months ago

The power of a lens is -2.5 D. What is its nature and focal length?

Answers

Answered by sanjeevaraya3

Answer:

Explanation:

Also, as D is negetive, the nature of the lens is concave. Answer: Power of a lens is -2D, negative sign indicates it is a Concave lens. Focal length (in meters)=1/power of the lens, thus focal length=1/2=0.5m=50cm.

Previous Question

Next Question

Similar questions

Math, 2 months ago

How many terms of the A.P. 16, 14, 12,.. are needed to give the sum 60? Explain....

English, 2 months ago

I. The Indian farmer is an industrious person (state the type of sentence)...

Business Studies, 2 months ago

इंटरनल एनवायरमेंट इज ऑलवेज फिल इन द ब्लैंक्स...

Math, 5 months ago

hello guys please help me don't spam❎❌❎❌❎❌❎...

Math, 5 months ago

Rex's father is twice as old as Rex In 20yrs. Rex will be 2/3 as old as his father how old is Rex ?

English, 11 months ago

how the principle of ubuntu be applied in the criminal justice system to ensure justice for victim...

Math, 11 months ago

(111) Water is filled in a right cylindrical tank with base radius 14 cm, such that water Tevel is 3 cm below the top. When an iron ball is dropped in the tank, 3003 cmº of water flows out. Find the radius of the ball.

Math, 11 months ago

what is the area of cross section of a body when it exerts a force of 50 Newton and produces a pressure of 2000 Pascal...

The power of a lens is -2.5 D. What is its nature and focal length?​

Answers

The power of a lens is -2.5 D. What is its nature and focal length?