A professor walks in a long hall carrying a vibrating 512hz, Ask an Expert

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Q. Monochromatic electromagnetic radiation with wavelength lambda from a distant source passes through a slit. The diffraction pattern is observed on a screen 2.50 rm m from the slit.

If the width of the central maximum is 6.00 rm mm, what is the slit width a if the wavelength is 500 rm nm (visible light)?

Q. A professor walks in a long hall carrying a vibrating 512 Hz tuning fork. The end of the hall is closed so that sound reflects from it. The student hears 4 beats per second. How fast is the student walking and in what direction?

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Category:- Physics
Reference No.:- M9221017

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