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In Bohr's theory of the atom, what force was responsible for holding the electrons in their orbit?
Ans:
Coulomb force or the force of attraction among the proton (nucleus) and the electron are responsible for having electrons in their orbit, in Bohr's theory of the atom.
Draw the final image formed by two lenses: An optical imaging system consists of two positive lenses (L1 and L2). L1 has a focal length f 1 = 10 cm, and L2 has a focal length
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