, 18.10.2019 11:00, malikfaiz24

Calculate the number of photons emitted in 10 hours by a 60 watt sodium lamp wavelength of photon = 5839 angstrom

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Two balls are thrown simultaneously intothe same vertical plane. ball a is thrownvertically upwards with speed v, sin theta andthe ball b with a velocity v, at an angle thetato the horizontal as shown. find the ratio ofmaximum heights and ratio of time of flights (ans: 1: 1)of the balls.v sin eball aball b​