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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
(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
- The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.
- In Kjeldahl’s method,ammonia from 5g of food neutralizes 30 cm3 of 0.1 N acid.
- The pair of compounds that can exist together is
- In the complex with formula MCl₃.4H₂O, the coordination number of the metal M
- A 0.66 kg ball is moving with a speed of 100 m/s. The associated wavelength
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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