Alferd Posted May 21 Share Posted May 21 If I want to reflect sunlight by using concave mirror which had 10cm*10cm size, how much the focal length of concave mirror should be designed in order to obtain 1.5 times light reflection size which had 15cm*15cm? Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now