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If a hydrogen atom in its ground state absorbs a photon with a wavelength of 93 nm, it jumps to an excited state.
What is the value of the energy in that excited state?
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
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A rod follower AB is subjected to a vertical up and down movement while resting on a circular contour of radius 30cm of a cam.the cam moves to the right with a velocity of 5 cm/s a
The fabrication of discrete and integrated circuit solid state devices requires semiconductor crystals with impurity concentrations as low as possible and crystals that contain ver
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