MCQ Of Chapter Light Class 10
Question 7. A concave mirror of
radius 30 cm is placed in water.
It's focal length in air and water
differ by
(a) 15
(b) 20
(c) 30
(d) o
Answer/Explanation
Answers
Answered by
1
Explanation:
The answer is 30 ..
I HOPE IT WILL BE RIGHT ANSWER..
Answered by
0
Answer:
0
Explanation:
The focal length of spherical mirror does not depends on the surrounding medium.
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