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Q. What is Heisenberg's uncertainty principle? Write the three forms of uncertainty relations.
Ans.
The principle of uncertainty was described by Heisenberg in 1927. According to this principle "it is impossible to determine simultaneously the position and momentum of the particle with any desired accuracy." i.e. we can measure either the position or the momentum of a particle within the limits of experimental equipment. If we design, an ideal experiment to measure simultaneously the position x and momentum p of a particle there will be and an uncertainty in the position and an uncertainty in the momentum found such that
(1) Time energy Uncertainty Principle
If the uncertainty in the measurement of energy is for the time then according to uncertainty principle.
(2) Angular Momentum and Angular Position Uncertainty
If the angular moment of an object has an uncertainty J, the other quantity which is uncertain is the angular position q.
There is strong evidence that some short-duration gamma-ray bursts occur in systems with no star formation and where no massive stars are present, such as elliptical galaxies and g
A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist
Define the construction of ultrasonic magnetostriction method. Construction: The ends of the ferromagnetic rod A and B are wound through the coils L 1 and L as given in fi
KINEMATICS II 1. The concept of the derivative of the function is exceptionally important. The derivative shows that how fast the function changes when its argument is changed.
Determine the zero-point energy of a harmonic oscillator havingof a particle of mass 2.33 x 10 -26 kg and force constant 155 N m -1 .
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The opposition offered to the circular motion of bodies like sphere, disc, ring, cylinder etc. on another surface is known as rolling friction.
molecular explanation of surface tension
derivation by calculas method of Snth = (Sn – Sn -1) = u + a/2 (2n – 1)
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