Scenario: A researcher wishes to test various slits and gratings to see how the laser light from a 480nm laser-pointer spreads to form patterns on a screen 1.5m away. (a) If she uses a double slit setup with a separation distance between slits of 0.3mm, find the distance between consecutive dark fringes. (b) Now suppose she uses a single slit of 25µm, find the width of the central maximum in

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.