The auditory canal leading to the eardrum is a closed pipe, Ask an Expert

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Q. The auditory canal, leading to the eardrum, is a closed pipe 2.8 cm long. Find the approximate value (ignoring end correction) of the lowest resonance frequency.

Q. An electron has a kinetic energy of 3.40 x10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.50 10-5 T. Determine the radius of the path?

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