Physics, asked by vishal6656, 9 months ago

The focal length of a concave lens is 25cm. What is the power?

Answers

Answered by Anonymous

Answer:

Power is expressed as the inverse of focal length, where a focal length of 1 meter is equal to one diopter. So a 25 cm. focal length (0.25 meters) has a power of 4 diopters.

Answered by Anonymous

Power is expressed as the inverse of focal length, where a focal length of 1 meter is equal to one diopter. So a 25 cm. focal length (0.25 meters) has a power of 4 diopters.

Previous Question

Next Question

Similar questions

English, 4 months ago

2. How is the threat of Global Warming very real in Antarctica? 3. Think of two aspects about Antarctica that you consider of special significance.

Math, 4 months ago

rani scored 20 out of 25 in test. express the mark scored by her in percentage...

Math, 4 months ago

( 3⁵ ÷ 3-²) X 3⁷.. solve using laws of exponents...

Math, 9 months ago

Suppose Austin's garden produced 70 pounds of vegetables in May. If the garden produces 40% more in June, how many pounds of vegetables were produced in June? 98 pounds 96 pounds 100 pounds 95 pounds...

English, 9 months ago