Question

When a ray of light passes from a denser to a rarer medium ______ of it refracted into the rarer medium

• A. all
• B. some part of it
• C. none
• D. None of the above option is correct

Answer 1

Answer: (B)

some part of it

When a ray of light passes from a denser to a rarer medium, some part of it gets refracted into the rarer medium such that it bends away from the normal. Some part of it gets reflected back into the denser medium. The light reflected back into the denser medium is said to be internally reflected.