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Can an electron be obtained (or come out) from the nucleus?
Yes, electron having energy higher than the ordinary atomic electron might be come out of the nucleus because of beta decay process. A negative beta is identical to an electron in all respect except with dissimilarity in kinetic energy.
The nucleus of the element having atomic number 25 and atomic weight 55 will contain : (1 )25 protons and 30 neutrons (2) 25 neutrons and 30 protons (3) 55 protons (4)
The total energy of a particle, executing simple harmonic motion is Ans) In simple harmonic motion when a particle is displaced to a position from its mean position, then its kin
type of mirror used
A small air bubble is inside a cube of 0.21 m. When viewed from one face it seems to be at a depth of 0.06 m, when viewed from opposite face the bubble seems to be at a depth of 0.
It is described to this law, if the temperature T of the object is not very dissimilar from that of the environment T0, then rate of cooling -dT/dt is proportional to the temperatu
experiments on how sound waves travel faster in iron
A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: a) All converted into h
1+1
A girl starts and finishes the ride at rest. Her horizontal motion can be take as. •an initial uniform acceleration for 3.0s, followed by •a constant speed of 2.4m/s for a further
A single-phase, 50Hz transformer has 40 primary turns and 520 secondary turns. The cross-sectional area of the core is 270cm 2 . When the primary winding is connected to a 3
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