Science, asked by vaheeda6693, 11 months ago

A lens is formed from twothin lenses in contact having power +12d and-8d . find the focal length and power of the combination

Answers

Answered by shankerlalbabani123

0

Answer:

p=p1+p2...12d-8d=4d...

Previous Question

Next Question

Similar questions

Math, 5 months ago

fraction with the same denominators are called __________fraction...

English, 5 months ago

The pandemic Covid 19 has taught a big lesson to the humanity. It is seen that a little negligence would cost a precious life. The lockdown has brought a drastic change in the life style and mindset of people and also heals mother earth. Students are deprived of getting education for almost a year in normal schooling which is a serious threat to their career. Write an article on “Life in...

Geography, 5 months ago

write a short note on factors influencing climatic variations in hilly areas and deserts...

English, 11 months ago

When the teacher wathches the gradual growth of the minds of the pupils, his joy...

English, 11 months ago

Q. Change the following into indirect speech. 1. "How smart you are!"sh.

English, 1 year ago

Write a characteristic of hellen keller Immediately...

Math, 1 year ago

please solve my question.prove that square root of 3 minus square root of 2 is an irrational number not by long division method...

Math, 1 year ago

Four people enter their names into a drawing. The winner receives one of two different prizes that are randomly selected. The tree diagram represents all possible outcomes. Part A What is the probability that Ang wins and is given a mug? Give the answer as a percent. Enter your answer in the box. __ % Part B Will the probability change if the prize were chosen first? Use the...