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A question from photoelectric effect

If light of wavelength lambda is incident on metal surface, the ejected fastest electron has speed v. If the wavelength is changed to 3/4(lambda), the speed of the fastest emitted electron will be?

Asked Adithya

 

why an athlete continuous his motion after reaching its finish line?

why an  athlete continuous his motion after reaching its finish line?

Asked Shivangi

Answer:

This is a consequence of inertia of motion. When the athlete reaches the finishing line, he will be at a high speed. Due to inertia he continues his motion

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