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Online Practice: Dual nature of matter, de Broglie's relationship, Heisenberg uncertainty principle for JEE

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Sharpen your chemistry preparation with interactive online practice for Dual nature of matter, de Broglie's relationship, Heisenberg uncertainty principle. Goodmarks offers 2+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

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Q1ChemistryUnit 2: Atomic Structure
Uncertainity in position of a particle of 25g25 \mathrm{g} in space is 10−15m.10^{-15} \mathrm{m} . Determine uncertainity in velocity (msec−1)\left(\mathrm{m} \mathrm{sec}^{-1}\right) in it. (plank's constant, h=6.6×10−34Js\boldsymbol{h}=\mathbf{6 . 6} \times \mathbf{1 0}^{-\mathbf{3 4}} \mathbf{J s} )
Q2ChemistryUnit 2: Atomic Structure
Assertion According to de Broglie, the wavelengths associtated with electrons and other subatomic particles can be detected experimentally. Reason The wavelength associated with any material particle is directly proportional to its mass.

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