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Syllabus
Renu spends a lot of her time outdoors. She walks to school in the morning, plays in the school playground in the afternoon, and walks back home in the evening. She notices that the length of the shadow does not remain the same throughout the day.
1. Do you think Renu is right? Does the length of her shadow really change?
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2.Renu is not likely to grow tall or become short buring the span of a single day. 90 why do you think her shadow changes in length throught the day?
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3. One day, When Renu was running randomly in the playground. Renu found that her shadow had completely disappeared! She locked up to see if the Sun had gone behind a cloud, or if she had stayed under a tree No, everything was clear!. Then she turned around the found her shadow behind her. Why had renu's shadow gone behind her?
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4.We know that for a shadow to be formed, we need three things, a source of tight and object that obstructs light, and a screen. Can you identify these three things in Renu's case ?