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A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the n = 3excited state. The atom returns to the ground state by emitting two photons. What are their wavelengths? ? m (lowest energy photon) ? m (highest energy photon)
Magnifying Glass: A biconvex lens of short focal length and low power which forms a virtual and magnified image of an object placed with its focal length is known as magnifying
Which of the following particles has more electrons than neutrons: (1) C (2) F- (3)O -2 (4)Al +3 Ans: O -2
A certain machine exerts a force of 200 Newton on a box whose masses 30 kilograms. The machine moves the box a distance of 20 meters with a horizontal floor. What amount o
Dielectric break down Dielectric Breakdown : Dielectric Breakdown of a dielectric material is because of the excitation of electrons into the conduction band across the energy
Adding 3 Vectors A simple demonstration of adding 3 vectors graphically. Also elaborates in which vector addition is relative.
Why is heavy water used as a moderator? Heavy water is a type of water highly enriched in the hydrogen isotope deuterium. We can conclude the neutron interactions with billiard
Deriving the Relativity of Simultaneity Animation in which shows how the relative nature of the simultaneity of two events must follow from the existence of length contraction.
Differentiate between teporary and permanent magnet
How is absorption occurred in fibre material? Absorption is associated to the fibre material. It is caused by three diverse mechanisms, which are: a. Absorption by atomic de
As shown in the figure below, a bubble of gas with a volume of 1.20 cm3 is released under water. As it rises to the surface, the temperature of the bubble enhances from 27°C to
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