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11th
Chemistry
Structure of Atom
Towards Quantum Mechanical Model of Atom
A body of mass x kg is mo...
CHEMISTRY
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Asked on December 20, 2019 by
Sreejala Barui
A body of mass x kg is moving with a velocity of 100ms
−1
, if de Broglie wavelength is 6.62×10
35
m. Hence, x is:
(h=6.62×10
−35
Js)
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ANSWER
Given that:
Planck's constant (h)=6.62×10
−34
Js
Mass of body (m)=xkg
velocity of body (v)=100m/s
de Broglie wavelength (λ)=6.62×10
−35
m
As we know that, de Broglie wavelength (λ) is given by-
λ=
mv
h
6.62×10
−35
=
x×100
6.62×10
−34
⇒x=
6.62×10
−35
×100
6.62×10
−34
=0.1kg
Hence x is 0.1kg.
Hence the required answer is 0.1Kg.
Answer:
Explanation:
Given that:
Planck's constant (h)=6.62×10^ −34 Js
Mass of body (m)=xkg
velocity of body (v)=100m/s
de Broglie wavelength (λ)=6.62×10 ^−35 m
λ= h/ mv
6.62×10 ^−35 = 6.62×10 ^−34 / x×100
⇒x= 6.62×10^-34/ 6.62×10^-35×100
=0.1kg
Hence x is 0.1kg.
Hence the required answer is 0.1Kg