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Question

Which of the following material can a carpenter use to build a window that allow sunlight to pass through it?
  1. Wood
  2. Glass
  3. Steel
  4. Plastic


Solution

The correct option is B Glass
Materials that allow light to pass through it are called transparent materials. For example:- glass.
Materials that do not allow light to pass through it are called opaque materials. For example:- wood, plastic and steel.
So the carpenter should build the window with glass.

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