Multiple choice

Why empty cardboard cartons act as a dark room?

  1. as it allow light to pass

  2. as it do no allow light to pass

  3. as it reflects the light

  4. as it emits light
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Whenever an opaque object is kept in the path of the light it forms and dark patch behind itself. This dark patch is known as shadow. It is always black in colour irrespective of the object colour or light colour falling on it. As empty cardboard cartons are opaque so they do not allow light to pass through then and always etc as dark room.

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