## Uncertainty principle and Schrodinger wave equation MCQ Basic Level

Compared to other sections, Chemistry is considered to be the most scoring section. If prepared thoroughly, chemistry can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1. The uncertainty principle was enunciated by

•  Einstein
•  Heisenberg
•  Rutherford
•  Pauli

Heisenberg

Q2. “The position and velocity of a small particle like electron cannot be simultaneously determined.” This statement is

•  Heisenberg uncertainty principle
•  Principle of de Broglie's wave nature of electron
•  Pauli's exclusion principle
•  Aufbau's principle

Heisenberg uncertainty principle

Q3. Simultaneous determination of exact position and momentum of an electron is

•  Possible
•  Impossible
•  Sometimes possible sometimes impossible
•  None of the above

Impossible

Q4. The possibility of finding an electron in an orbital was conceived by

•  Rutherford
•  Bohr
•  Heisenberg
•  Schrodinger

Heisenberg

Q5. The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively

•  Heisenberg, de Broglie
•  de-Broglie, Heisenberg
•  Heisenberg, Planck
•  Planck, Heisenberg

Heisenberg, de Broglie

Q6. Orbital is

•  Circular path around the nucleus in which the electron revolves
•  Space around the nucleus where the probability of finding the electron is maximum
•  Amplitude of electrons wave
•  None of these

Space around the nucleus where the probability of finding the electron is maximum

Q7. Uncertainty principle gave the concept of

•  Probability
•  An orbital
•  wavelength
•  none of these

Probability

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