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Questions  >>  CBSE XII  >>  Physics  >>  Atoms
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A hydrogen atom initially in the ground level absorbs a photon, which excites it to n=4 level. Determine the wave length and frequency of photon .

λ=97×108m;α=31×1015Hzλ=0.97×108m;α=0.31×1015Hzλ=9.7×108m;α=31×1015Hzλ=9.7×108m;α=3.1×1015Hz

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