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an isotope of iodine z 53 is used to treat thyroid conditions its mass number is 131 how many neutrons are in its nucleus 131 - 53 78
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question a child applies a force f parallel to the x-axis to a 100-kg sled moving on the frozen surface of a small pond as the child controls the
obtain relativistic expression for the kinetic energy of the
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a cube of side lsquoa is moving with speed 06 c normal to one of its face what is its volume observed by an observer stationed on the earth the
using principles of special theory of relativity derive mass energy relation illustrate it with an examplea beam of particle of half life 20 x 10-8
q what do you mean by time dilationto an observer a moving clock always appears to run slower the time interval between two events occurring at a
q what do you mean by length contractionthe length of any object in a moving frame will appear for shortened in the direction of motion the amount of
q explain michelson morley experimentthe michelson morley experiment was an attempt to detect the velocity of earth with respect to the aluminiferous
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q explain basic working of interference filteran interference filter which reflects one of more spectral lines and transmits others while maintaining
q what do you mean by ant reflecting filmswhen a beam of light travels normally from a medium of refractive index micro2 to a medium of refractive
measurement of difference in wavelength of sodium d1 and d2 lines for the measurement of difference in wavelength of two closely spaced sodium lines