Optics Question 969
Question: A diver at a depth of 12m in water ( sees the sky in a cone of semi-vertical angle
[KCET 1999; Pb. PMT 2002; MP PMT 1995, 2003]
Options:
A)
B)
C)
D) 90°
Show Answer
Answer:
Correct Answer: C
Solution:
Semi vertical angle