Using a pinhole camera a student observe...

Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?

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NCERT EXEMPLAR-LIGHT-SHORT ANSWER QUESTIONS

Correct the following statements (i) The colour of the shadow of an ...
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Suggest a situation where we obtain more than one shadow of an object ...
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On a sunny day, does a bird or an aeroplane flying high in the sky cas...
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You are given a transparent glass sheet. Suggest any two ways to make ...
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A torch is placed at two different positions A and B, one by one, as s...
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A student covered a torch with red cellophane sheet to obtain red ligh...
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Is air around us always transparent? Discuss
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Three identical towels of red, blue and green colour are hanging on a ...
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Using a pinhole camera a student observes the image of two of his frie...
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In Fig. 11.11, a flower made of thick coloured paper has been pasted o...
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