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Question
Which of the following materials can be used to make a convex lens?
Which of the following materials can be used to make a convex lens?
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Solution
The correct options are
A Transparent glass
B Clear ice
A lens, whether a converging or a diverging one, lets the light rays pass through it. So, it cannot be made up of opaque materials like cement or steel. Glass and ice are transparent and also we can cut them into desired shape, so they are a good choice for making lenses.
A
Transparent glass
B
Clear ice
A lens, whether a converging or a diverging one, lets the light rays pass through it. So, it cannot be made up of opaque materials like cement or steel. Glass and ice are transparent and also we can cut them into desired shape, so they are a good choice for making lenses.
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