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Light from the Sun takes ~8 minutes 20 seconds to reach Earth, travelling at 300,000 km/s.
Did you know?
Light from the Sun takes ~8 minutes 20 seconds to reach Earth, travelling at 300,000 km/s.
A tuning fork is used to produce resonance in a glass tube. The length of the air column in this tube can be adjusted by a variable piston. At room temperature of , two successive resonances are produced at cm and cm of column length. If the frequency of the tuning fork is Hz, the velocity of sound in air at is
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To solve this problem, we need to understand the concept of resonance in an air column.When a tuning fork is used to produce resonance in a glass tube, the air column vibrates at its natural frequency.The successive resonances occur at odd multiples of a quarter wavelength.Given:• First resonance length
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