Does focal length of spherical mirror change when it is immersed in water ?
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3
Answer:
In case of spherical mirrors (both concave and convex), there will be no change in the focal length of the mirrors when immersed in water. This is because the focal length of mirrors does not depend on the external medium in which it is held.
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2
Answer: yes
Explanation: because from snell's law we know angle depends on velocity and in other medium the velocity vary
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