1.

Statement-1 : If an electron is located within the range of 0.1 Å then the uncertainly in velocity is approximately 6xx10^6 m//s Statement-2 : Trajectory (path of motion) of above electron can be defined. [h=6.6xx10^(-34), m_e=9.1xx10^(-31) kg]

Answer»

Statement-1 is True, Statement-2 is True, Statement-2 is a CORRECT explanation for Statement-1
Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1
Statement-1 is True, Statement-2 is False.
Statement-1 is False, Statement-2 is True.

Solution :`mDeltav Deltax=h/(4PI)implies Deltav=(6.62xx10^(-34))/(9.1xx10^(-31)xx4xx3.14xx10^(-11))=6xx10^6 m//s`
as uncertainly in velocity is very high so we cannot define the TRAJECTORY of an ELECTRON.


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