what is balmer series
Balmer series (J. Balmer; 1885): An equation that explains the emission spectrum of hydrogen whenever an electron is jumping to the next orbital; four of the lines are in visible spectrum, and the remainder (residue) are in the ultraviolet.
Explain Kirchhoff's rules or Kirchhoff's Loop rule and Point rule?
Kirchhoff's rules (G.R. Kirchhoff)
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Compton Effect (A.H. Compton; 1923): The effect which describes those photons (that is the quantum of electromagnetic radiation) has momentum. The photon fired at a stationary particle, like an electron, will communicate momentum to t
Ideal gas equation: The equation that sums up the ideal gas laws in one simple equation,
P V = n R T,
Here V is the volume, P is the pressure, n is the
The velocity of a body was observed to be constant throughout five minutes of its motion. Determine its acceleration during this interval?
Radian: rad: The supplementary SI unit of the angular measure stated as the central angle of a circle whose subtended arc is equivalent to the radius of the circle.
Lux: lx: The derived SI unit of the illuminance equivalent to the illuminance generated by a luminous flux of 1 lm distributed consistently over a region of 1 m^{2}; it therefore has units of lm/m^{2}.
Write down a brief note on the classification of Alloys?
: A voltage v = 150 + j180 is applied across an impedance and the current flowing is I = 5 - j4 find ? A, impedance . B, resistance. C, reactance. D, power consumed.
Briefly state the atomic model which the Erwin Schrodinger creates?
Uncertainty principle (W. Heisenberg; 1927): A principle, central to the quantum mechanics that states which two complementary parameters (like energy and time, position and momentum, or angular momentum and angular displacement) can’t both be r
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