Chemistry, asked by kellyhendy90, 9 months ago

An optician prescribes spectacles to a patient with a convex lens of focal length 40 cm. What will be the power of spectacles?

Answers

Answered by priya17753

1

Answer:

0.025

Explanation:

Power = 1 / focal length

power = 1/40

power = 0.025

Previous Question

Next Question

Similar questions

Science, 5 months ago

Which of the following is not a combustible substances? → (A) matches (B) glass (C) wood...

Social Sciences, 5 months ago

2. It looks like a box but we can see and hear news, movies, games, serials on it (10 letters...

Hindi, 5 months ago

टीपावली" और लोकप्मास्या का पर्व छठ" मल्योहारी मै हम लोकल वस्तुओं को कैसे बदावासकले हर पांच वावी 'से' उल्लेख करे। 7...

English, 9 months ago

write a letter to the editor of a newspaper sharing your views about the civic sense of the pakistani people...

Math, 9 months ago

Solve the two-step equation. 14 = 31.7 – 3x What is the solution? x =...

Chemistry, 1 year ago

what is silicone and it's structure..

Science, 1 year ago

This question very important for class 10. CBSE BOARD QUESTION ...

History, 1 year ago

india declared its support to nelson mandela because...