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Q. The sky appears blue because
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
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Q. Which of the following Material has lowest resistivity?
Q. When a wave goes from one place to another, it transports
Q. What inspired reflecting road lights to be invented?
Q. A simple pendulum consists of a small metallic ball. This ball is called_____.
Q. When a light wave is reflected from a mirror, there is a change in its
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