6 Questions
What is light?
Light is a form of energy.
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?
Light takes nearly 8 minutes to reach the Earth from the Sun.
What did James Clerk Maxwell predict?
He predicted the existence of electromagnetic radiations.
Why is light important for vision?
Light causes a sensation of vision.
Can light travel in a vacuum?
Yes, light can travel even in a vacuum.
Learn about the principles, construction, and workings of a pinhole camera, evidence of light traveling in straight lines, factors affecting image size in a pinhole camera, shadow formation, lunar eclipse occurrence, and terms like umbra and penumbra. Explore the concept of light as a form of energy and its significance.
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