Saturday , February 22 2020
Light and Shadows

NCERT 5th Class (CBSE) Science: Light and Shadows

Question: What are transparent materials? Give any two examples.

Answer: Materials that allow all the light to pass through them are called transparent materials. Eg: clear glass and clean water.

Question: What are translucent materials?

Answer: Materials that allow some amount of light through them are called translucent materials.

Question: What are opaque materials.

Answer: Materials that completely block the light are called opaque materials.

Question: Name any two translucent and two opaque materials.

Answer: The two translucent materials are:

  1. Coloured glass
  2. Dirty water

The two opaque materials are:

  1. Mud
  2. Wood

Question: Why do translucent and opaque materials form shadow?

Answer: Translucent and opaque materials form shadow because translucent objects block some light and opaque object block the light completely.

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