Find the length of the pendulum

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Reference no: EM1345718

Q. Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. It then falls on two slits separated by 0.410 . In the resulting interference pattern on a screen 2.10 away, adjacent bright fringes are separated by 2.80 .

Q. A simple pendulum makes 121 complete oscillations in 3.0 min at a location where g = 9.80 m/s2.

(a) Find the period of the pendulum.
(b) Find the length of the pendulum

Reference no: EM1345718

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