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QU6 a). i). What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at a). 1610km/hr and B). 0.8c [c =3.0 x10° m/s]

QU6 a). i). What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at a). 1610km/hr and B). 0.8c [c =3.0 x10° m/s]

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QU6 a). i). What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at a). 1610km/hr and B). 0.8c [c =3.0 x10° m/s] b). i). What is meant by Time dilation? ii). Hence, a clock on a space rocket ticks off at a time interval of 1hour.what is the time elapse on earth if the space rocket is travelling at a speed a). 1610km/hr ? and B). 0.8c ? [c =3.0x10®m/s] c).i). A 50 grams in radionuclide decays 45 grams in 240 years. What is the half- life of the radionuclide? ii). If the energy of the hydrogen atom is -13.6 eV/n?, determine the energy of the hydrogen atom in the state n= 1,2,3,4,5 and hence the energy required to transition an atom from the ground state to n=5? [ 1eV = 16 x10-19 J , h = ] %3D
Transcribed Image Text:QU6 a). i). What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at a). 1610km/hr and B). 0.8c [c =3.0 x10° m/s] b). i). What is meant by Time dilation? ii). Hence, a clock on a space rocket ticks off at a time interval of 1hour.what is the time elapse on earth if the space rocket is travelling at a speed a). 1610km/hr ? and B). 0.8c ? [c =3.0x10®m/s] c).i). A 50 grams in radionuclide decays 45 grams in 240 years. What is the half- life of the radionuclide? ii). If the energy of the hydrogen atom is -13.6 eV/n?, determine the energy of the hydrogen atom in the state n= 1,2,3,4,5 and hence the energy required to transition an atom from the ground state to n=5? [ 1eV = 16 x10-19 J , h = ] %3D
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