- AMilikan's oil drop experiment
- BThe Michelson-Morley experiment
- CYoung's double-slit experiment
- DLenz's proof of Lenz's law
Explanation:
Young's double slit experiment
The double slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles. Moreover it displays the fundamentally probabislistic nature of quantum mechanical phenomena.
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Four charges equal to – Q are placed at the four corners of a square and a charge q is at its centre. If the system is in equilibrium the value of q is
|
(a) |
(b) |
(c) - |
(d) |
The charges on two sphere are +7mC and – 5mC respectively. They experience a force F. If each of them is given and additional charge of – 2mC, the new force of attraction will be
|
(a) F |
(b) F / 2 |
(c) F/ |
(d) 2F |
The diagram shows-the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy

| (a) I | (b) II | (c) III | (d) IV |