What is Quantum mechanics?
- A$A$ branch of science that deals with the motion of microscopic particles.
- B$A$ branch of science that deals with the motion of macroscopic objects.
- C$A$ branch of science that deals with the study of chemical reactions.
- D$A$ branch of science that deals with the study of thermodynamics.
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Similar Questions
Choose the correct statement.
Easy
View SolutionThe uncertainties in the velocities of particles $A$ and $B$ are $0.05 \, m/s$ and $0.02 \, m/s$,respectively. If the mass of particle $B$ is five times that of particle $A$,then the ratio of the uncertainties in their positions $\left( \frac{\Delta x_A}{\Delta x_B} \right)$ is equal to:
Difficult
View SolutionUncertainty in the position of an electron (mass $= 9.1 \times 10^{-31} \ kg$) moving with a velocity $300 \ ms^{-1}$ accurate up to $0.001 \ \%$ will be $(h = 6.63 \times 10^{-34} \ J \cdot s)$.
DifficultMHT CET 2011
View SolutionThe uncertainty in the velocities of two particles $A$ and $B$ are $0.03 \ m \ s^{-1}$ and $0.01 \ m \ s^{-1}$ respectively. The mass of $B$ is four times the mass of $A$. The ratio of uncertainties in their positions is
Heisenberg's uncertainty principle is not applicable to which of the following?
Medium
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