What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at α). 1610km/hr and β). 0.8c [c =3.0 x10^8 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 α). 1610km/hr and β). 0.8c ? [c =3.0 x10^8m/s] 7MARKS/EV 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^2, 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 = ]
What is meant by length contraction? ii). Hence, what is the length of a meterstick measured by an observer travelling at α). 1610km/hr and β). 0.8c [c =3.0 x10^8 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 α). 1610km/hr and β). 0.8c ? [c =3.0 x10^8m/s] 7MARKS/EV 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^2, 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 = ]
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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a)
i). What is meant by length contraction?
ii). Hence, what is the length of a meterstick measured by an observer travelling at
α). 1610km/hr and β). 0.8c [c =3.0 x10^8 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
α). 1610km/hr and β). 0.8c ? [c =3.0 x10^8m/s] 7MARKS/EV
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^2, 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 = ]
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