Physics, asked by jagtarasuman, 1 day ago

Two thin lenses, one of the focal length +60 cm and the other of focal length -20cm are kept in contact. Their combined focal length is?

Answers

Answered by cutiepie7615

3

Answer:

-30 is the correct answer

Answered by aashman1909

6

Answer:

-30 is the correct answer.

Explanation:

mark me as brainliest

hope this will help you❤

Previous Question

Next Question

Similar questions

Science, 15 hours ago

__কম্পনই বজ্রপাতের সময় শব্দ উৎপন্ন করে।_...

English, 15 hours ago

What do you understand by ranches?

Chemistry, 15 hours ago

What happens when potassium iodide is mixed to lead acetate? Tell the chemical formula too...

Physics, 1 day ago

. 1) State the two supplementary units.

Art, 1 day ago

who invented the radio I want ace rankers to answer others will be action taken...

Hindi, 8 months ago

कन्यादान कविता में किस के दुखों को वाणी प्रदान की गई है? Option A लड़की के दुख को Option B लड़की की मां के दुख को Option C कवि के दुख को Option D इनमें से कोई नहीं...

Physics, 8 months ago

A convex mirror gives a wide field of view, Explain with first law of reflection?

Math, 8 months ago

factorise by splitting middle term x^2-11X64...