Physics, asked by shivani2412, 1 year ago

how far should an object be held from a concave mirror of focal length 40 cm so as to get an image magnified three times

Answers

Answered by akanshu721

2

relation bw m , f and u

m=-f/u-f

3=-(-40)/u-(-40)

-53.33cm

Previous Question

Next Question

Similar questions

Science, 6 months ago

How do woolen clothe keep us warm in winters??

Math, 6 months ago

find x in the adjoining figure...

Environmental Sciences, 6 months ago

1. 2. What will happen if we do not write the address on a letter that we need to post?( very very short answer for class 3 )...

English, 1 year ago

change the following sentences as directed within barckets.he is very poor.he cannot perchese a car (simple semtence)...

Math, 1 year ago

friends plz answer this questions ...

Social Sciences, 1 year ago

write a short letter to your elder brother or sister who is living in another city or town...

Science, 1 year ago

What is wind mill? how it is help in producing electricity...

Physics, 1 year ago

please give me this answer...