The de Broglie wavelength of a 100-m sprinter of mass 66 kg running at a speed of
10 m/s is about
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To calculate the de Broglie wavelength for a particle, or for a tennis ball for that matter, just use the equation. p=hλ , where. p - the momentum of the atom; h - Planck's constant - 6.626⋅10−34m2kg s− 1
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Given:
- Mass of runner = 66 kg
- Velocity = 10 m/s
To find:
- De-Broglie wavelength associated with the runner ?
Calculation:
The general equation of De-Broglie wavelength for any particle is given as :
- 'h' is Planck's Constant, 'm' is mass and 'v' is velocity.
- Putting necessary values in SI UNITS:
So, the De-Broglie wavelength associated with the runner is approximately equal to 0.1003 × 10^(-35) metres.
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