What type of a lens is formed by an air bubble inside water?
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Answer:
a concave lens (a diverging lens)
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Answer:
Diverging Lens
Explanation:
Since, air is optically rarer than water, when it travels from water to air, the ray of light bends away from the ordinary at the point of incidence as it bends towards the normal when passing from air to water. The normal can pass through the center of the bubble at any point in a spherical bubble.
The air bubble in liquid will diverge as the air refraction index is lower than that of water It's exactly the same if you think of glass-built concave camera. Light will diverge from the lens and into the air. Thus a diverging lens will be formed.
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