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Q. For a damped oscillator with a mass of 370 g, a spring constant 93 N/m and a damping coefficient of 65 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 17 cycles?

Q. What is the frequency of light that has a wavelength in water of 788 nm if the refractive index for this light is 1.33?

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