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Question Got Wronf Flashcards

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1
Q

Describe how vibrating tuning fork causes a sound wave to travel through fork

A

Longititudinal wave and oscillates parallel to energy direction

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2
Q

Why light behaves crossing boundary between air and glass

A

Different lights have different wavelengths, they travel in different speeds, meaning they refract by different amounts

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3
Q

Equation of efficiency

A

Useful energy/ total energy

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4
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A
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