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Questions and Answers
What is light?
What is light?
Light is a form of energy.
What is the speed at which light travels?
What is the speed at which light travels?
Light travels at a speed of $3 imes 10^8$ m/s.
How long does it take for light from the Sun to reach the Earth?
How long does it take for light from the Sun to reach the Earth?
Light takes nearly 8 minutes to reach the Earth from the Sun.
What did James Clerk Maxwell predict?
What did James Clerk Maxwell predict?
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Why is light important for vision?
Why is light important for vision?
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Can light travel in a vacuum?
Can light travel in a vacuum?
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