Question

3. Prisms are used for -
a) Deviating image of an object to 90° angles
b) For dispersion of white light
c) For correcting the image orientation of the object in binoculars
d) All of the above​

Answer 1

Answer:

I think answer is b

Explanation:

prism used for deviating white light

Answer 2

Answer:

option (b) is correct answer