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Quantum mechanics Class 7 MCQ Questions With Answers
1.
What is the light?
A wave
A particle
Both
Both A & B
2.
Who is Max Planck?
A chemist
A physicist and the Quantum Mechanics pioneer
Communism's creator
None of these
3.
Which is the atomic model now?
Shrodingüer's model
Quantum's model
Einstein's model
Both A & B
4.
Which is the number of the most equations of Quantum Mechanics?
planck's constant (h)
Speed of electron (z)
Wavelegth of water molecule (A)
Size of universe (ñ)
5.
In quantum mechanics is energy conserved?
Always
never
yes and not, the not is because it's only momentarily
All of above
6.
Which is the equation of De Broglie's hypothesis correct? (Wavelenght is equals to...)
h/(mv) = planck constant/(mass·speed)
h/v = planck constant/speed
v/m = speed/mass
All of above
7.
What is the uncertainty principle?
We can't know 2 parameters at the same time, only both with a margin of uncertainty.
We can only know 1 parameter of 2, having the other with uncertainty
We can't have known of any parameter
None of these
8.
What experiment changed classical mechanics of physics by of a theoretical error?
The black hole
Newton's prime
The ultraviolet catastrophe
the infrared effect
9.
What was the atomic model that had the problem it triggered in quantum atomic model?
Dalton's model
Heissenberg's model
Thompson's model
Rutherford's model
10.
What is the current interpretation of physical theories?
Quantum field theory
nihilistic theory
We haven't current interpretation.
String theory
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