A convex lens forms the brightest spot of sunlight on a paper placed at a distance of 5 cm
from the lens. What is the approximate focal length of the convex lens?
2. A Ray of light traveling in air enters obliquely into water. Does the lig
Answers
Answered by
3
Answer:
as we know that,
the sun is at infinite and from infinity the parallel light rays comes and convex lens is converging lens so it converg the parallel light rays on its focus by rule of image formtation.
and the image is formed at focus so therefore the image distance is actually a foacl length of sun also .
Explanation:
Hence ,
the focal.length is 5 cm
and it proved on the above fig
mark me as brainliest
follow
inbix
like
Attachments:
Similar questions