an organic compound contain 49.3% carbon, 6.84% hydrogen and its vapour density is 73. find the molecular formula of the compound
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The uncertainity of a moving bullet of mass 10g is 10^-5 m. Calculate the uncertainity in its velocity?
According to uncertainty principle
Δx.Δmv = ℎ / 4π
Δv = ℎ 4πmΔ
x=6.626 × 10−34 / 4×3
=> ×14×10−2×10−5
=> 5.27×10−28 m/s ...
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