3. With the help of a diagram explain the formation of lunar eclipse.
4. Does light travel in a straight line? Describe an experiment in support of your answer.
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3. With the help of a diagram explain the formation of lunar eclipse.
4. Does light travel in a straight line? Describe an experiment in support of your answer.
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Answer:
3. When the Sun, Earth, and Moon, are precisely aligned, a lunar eclipse will occur. During an eclipse the Earth blocks sunlight from reaching the Moon. Earth creates two shadows: the outer, pale shadow called the penumbra, and the dark, inner shadow called the umbra.
Explanation:
4. Yes light does travel in straight lines. ... To observe whether light travels in straight line or not, take 3-4 thin cardboard pieces.