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Why is quantum mechanics important?
Quantum mechanics is important to understand the behavior of systems at atomic length scales and duration smaller. For illustration, when Newtonian mechanics governed the workings of an atom, electrons would quickly travel in the direction of and collide along with the nucleus, making stable atoms not possible. Nonetheless, in the natural world the electrons normally stay put in an unknown orbital path near the nucleus, defying classical electromagnetism.
(i)Cathode waves always travel in straight path. (ii) Cathode rays exert mechanical force on the objects they strike. (iii) Cathode rays make fluorescence. (iv)
What is potential and kinetic energy?
The mass of a proton and of an antiproton is 1.00728 u. Recall that the conversion of exactly 1 u into energy yields 931.5 MeV. a. Measure the mass used up when a proton and
if you drop a ball from a tall building, after 4.2 seconds what is its speed in m/s?
Ask question how many types of couple are there?#Minimum 100 words accepted#
Newton''s rings are formed between a spherical lens surface and an optical flat. If the tenth bright ring of green light (545.1 nm) is 7.89 mm in diameter, what is the radius of cu
stock theoram
Iron is what type of magnetic material? Is it: a) Diamagnetic b) Paramagnetic c) Ferromagnetic d) Non-magnetic Ans: Iron is ferromagnetic type of m
The earth’s magnetic field: The earth acts as a magnet and the lines of force produced by it follow the pattern shown in the diagram below. If the Earth were completely symm
what is meant by small signal amplifiers
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