Tag: shadow formation and optical medium

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Questions Related to shadow formation and optical medium

Multiple choice physics effects of light eclipses elementary ideas of astronomy shadow formation and optical medium

A solar eclipse is caused when the -

  1. sun comes between the earth and the moon

  2. moon comes between the sun and the earth

  3. earth comes between the sun and the moon

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A solar eclipse is caused when moon comes between sun and earth and moon casts a shadow over earth. 

Ans: moon comes between sun and earth

Multiple choice physics effects of light eclipses elementary ideas of astronomy shadow formation and optical medium

State whether true or false.
Eclipses are examples of the formation of shadows in nature.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lunar eclipse occur whenever the moon passes into the shadow of earth. Solar eclipse occur when the new moon eclipse slips in front of the sun and blocks it from view. This moon's shadow then falls upon the earth.

Multiple choice physics effects of light eclipses elementary ideas of astronomy shadow formation and optical medium

State whether true or false.
Lunar eclipse occurs in every full moon night.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lunar eclipse can occur only on a full moon night. But they do not happen every full moon night because Earth's orbit around the sun is not in the same plane as the moon's orbit around the earth. Eclipse occur only if the the sun, the earth and the moon come to lie in a straight line.