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  • A lens is a made up of how many imaginary spheres?
Multiple choice

A lens is a made up of how many imaginary spheres?

  1. One

  2. Two

  3. Four

  4. Infinite

  5. None

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Yes, it is made up of two imaginary spheres. One curved surface extends towards left and forms a sphere and the other towards right. Hence, has two centre of curvatures.

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