Physics, asked by kesarwanimansi02, 4 months ago

A concave mirror has radius of curvature 20 cm. Write the focal length of the concave mirror with proper sign.

please urgent

Answers

Answered by Deysag

1

Answer:

10cm

Explanation:

The focal lenght is half of the radius of curvature in spherical mirrors

Answered by nithya3322

2

Answer:

10 cm

Explanation:

As we know that focal length is half of radius of curvature

f = R/2

Therefore,

f = 20/2 = +10 cm

Hope it helps....

Previous Question

Next Question

Similar questions

English, 2 months ago

राम ऑफिस जाता है। TRANSLATE IN ENGLISH...

Biology, 2 months ago

1. Multiple Choice Questions - Tick mark (✓) the correct choice : 1. The process, by which green plants prepare their own food is known as (a) Photosynthesis (b) Respiration (c) Symbiosis (d) None of these 2. The green colour pigment in the leaves is (a) Chlorophyll (b) Anthocyanin (c) Protoplast (d) Chloroplast 3. Tiny pores on the lower surface of leaf are (a) Lamina (b) Stomata (c) Chlorophyll...

Science, 2 months ago

how to make log book in lockdown of ncsc in lockdown theme :social innovation for sustainable living of 2020-21 in English...

Computer Science, 4 months ago

in windows we can maintain multiple gmail and newsgroup accounts in ...

Hindi, 4 months ago

Pls answer it fast as you can I will mark your answer as brainliest.And I will follow you.

Social Sciences, 8 months ago

Define meaning of leusiness & mgmt principles of management...

Biology, 8 months ago

Design of newer mao b inhibitors against alzheimers disease...

Biology, 8 months ago

Suppose you are carrying out a series of crosses with an insect where the mechanism of determination is unknown. You discover a mutant female with short wings and decide to cross it with a wild-type male that has normal wings. None of the f1 progeny have short wings but among the f2 progeny 26% have short wings. However, all of these short-winged f2 progeny are females. Based on these results, a...