If a star converts all helium in its core to oxygen, then energy released per oxygen nuclei is(Mass of He=4.0026 amu, Mass of O=15.99994 amu)
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(a) 10.24 Mev (b) 0 (c) 7.56 […]
A concave mirror ia placed over a beaker containing water of (ยต = 1.33) and image of the object placed at the bottom of beaker is formed at a distance of 25 cm from the […]
In the Young’s double slit experiment, a point P on the central bright fringe is such that intensity of point P is 1/4 times the maximum intensity, distance between the slits is d and wavelength […]
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