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The de-Broglie wavelength associated with a ball of mass 1kg having kinetic energy 0.5 J is
Options
(a) 6.626 x 10⁻³⁴ m
(b) 13.20 x 10⁻³⁴ m
(c) 10.38 x 10⁻²¹ m
(d) 6.626 x 10⁻³⁴ Å
Correct Answer:
6.626 x 10⁻³⁴ m
Explanation:
λ= h / √2mKE
= 6.626 x 10⁻³⁴ / √2 x 1 x 0.5
= 6.626 x 10⁻³⁴ m
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Question Type: Memory
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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- K₄[Fe(CN)₆] is a
- In the following reaction reducing agent is 2K₃[Fe(CN)₆]+H₂O₂+2KOH→2K₄[Fe(CN)₆]
- The basicity of aniline is weaker in comparison to that of mathyl amine due to
- A primary alcohol,C₃H₈O (A) on heating with sulphuric acid undergo dehydration
- The predominant intermolecular forces in HF is due to
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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