MCQ
The light appears to travel in straight line because.
- AIt consists of small particles.
- BThe velocity of light is very large.
- ✓The wavelength of light is very small.
- DLight is reflected by surroundings.
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Surface
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$M$
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$N$
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$O$
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$P$
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Force Needed (N)
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$670$
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$570$
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$320$
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$500$
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