On increasing the angle of incidence in a prism experiment the emergent angle will:
A. increase
B. decrease
C. increase upto 90°
D. decrease to 0°.
Answer:C
On increasing the angle of incidence in a prism experiment the emergent angle will:
A. increase B. decrease C. increase upto 90° D. decrease to 0°.
Explanation: Beyond 90 degree it will decrease.