Topics from April 2020
- How can I make my own periscope?
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- What are various uses of Lasers?
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- How do light and lasers are related?
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- What is Laser Light?
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- What are Lenses and how they are used?
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- How does mixing of coloured light happen?
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- How do we see?
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- Why does white light split?
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- How do reflections of light are seen?
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- What is the phenomenon of refraction of light?
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- When does light make shadow?
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- What is solar eclipse?
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- How does light travel?
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- What do you say about light and darkness?
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- What are laser lights?
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