Physics, asked by charantej9262, 1 month ago

What is the effective focal length of the convex lenses of focal length 10 cm and 25 cm respectively
are joined together?

Answers

Answered by bigbro24

0

Answer:

50

bshshdhdjjfsjdjdydyrurur

Answered by Anonymous

0

Answer: The effective focal length is 7.14 cm.

Explanation:

Focal length of first convex lens, f1 = +10 cm

Focal length of second convex lens, f2= +25 cm

Let the focal length of combination is F, so

Substitute the given values, we get

Thus, the effective focal length is 7.14 cm

Previous Question

Next Question

Similar questions

Social Sciences, 22 days ago

write true or false The earth is the centre of universe...

Math, 22 days ago

50. If a merchant offers a discount of 36% on the list price, then she incurs a loss of 12%. What % profit or % loss will she make if she sells at a discount of 20% of the list price? (A) 8.00% loss (B) 9.80% profit (C) 8.25% loss (D) 10.00% profit (E) None of these...

Accountancy, 22 days ago

give a entry on creating a reserve...

English, 1 month ago

what 8 letter word can have a letter taken away and still makes a word? Take an another letter and it makes an another word and go on so utill you have one letter left...

Science, 1 month ago

define cell help!!! please...

Math, 8 months ago

Find the largest number which divides 2271. 3079 and 3355 leaving remainder 10, 20 and 30 respectively.

History, 8 months ago

if they stayed at one place, resouces like plant and animal would finish...

Math, 8 months ago

There are some 25 paise coins and some 50 paise coins in a bag the total number of coins is 150 and amount in the bag is rs55 find number of coins of each value. solve by elimination...