3 years ago

Which of the following proved that the de broglie’s equation was correct?

Physics

1 answer:

Ludmilka [50]3 years ago

3 0

Anwer:Planck's equation

Explanation:

Due to the fact that Einstein had to calculate to make his experiments

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Two identical conducting small spheres are placed with their centers 0.290 m apart. One is given a charge of 12.0 nC and the oth

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Answer:

Force between two identical conducting ball will be $2.65\times 10^{-5}N$

Explanation:

We have given there is two identical conducting small spheres having charge $q_1=12nC=12\times 10^{-9}C$ and $q_2=-21nC=-21\times 10^{-9}C$

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According to Coulomb's law force between two charges is given by

$F=\frac{1}{4\pi \epsilon _0}\frac{q_1_2}{r^2}=\frac{Kq_1q_2}{r^2}$

So force $F=\frac{9\times 10^{9}\times 12\times 10^{-9}\times 21\times 10^{-9}}{0.293^2}=2.65\times 10^{-5}N$

So force between two identical conducting ball will be $2.65\times 10^{-5}N$

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You are given two positively charged particles, of equal magnitude, separated by a distance, "d". What will happen to the force

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