A unit of pressure, equal to 105 Pascals.
It is equal to one-twelfth the mass of C -12 isotope of carbon, 1 amu = 1.66x 10-27 Kg.
The number of protons in an atomic nucleus.
Lines in the spectrum of hydrogen atom in visible range, produced by transition between n 2 and n = 2, n is the principal quantum no.
subatomic particle composed of three quarks.
A phenomenon of the periodic variation in the intensity of sound due to superposition of waves differing slightly in frequency.
Lines drawn to make an electric field strength map, with each line originating on a positive charge and ending on a negative charge; each line represents a path on which a charge ...
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End result of a process of learning; what one has learned.
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