Which statement is true about the energy of electromagnetic radiation?
a. the frequency of th...
Physics, 29.01.2020 18:49 domjuan1456
Which statement is true about the energy of electromagnetic radiation?
a. the frequency of the emmited radiation is inversely proportional to its energy.
b. the frequency of the emitted radiation is directly proportional to its energy
c. the wavelength of the emitted radiation is directly proportional to its energy.
d. the amplitude of the emitted radiation is inversely proportional to its energy.
Answers: 2
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Ablock of mass m slides on a horizontal frictionless table with an initial speed v0 . it then compresses a spring of force constant k and is brought to rest. the acceleration of gravity is 9.8 m/s2. how much is the spring compressed x from its natural length? 1) x = v0*sqrt(k/(mg)) 2) x=v0*sqrt(m/k) 3) x=v0*((mk)/g) 4) x=v0*sqrt(k/m) 5) x=v0*(m/kg) 6) x=v0*sqrt((mg)/k) 7) x=(v0)^2/(2g) 8) x=v0*(k/(mg)) 9) x=(v0)^2/(2m) 10) x=v0*((mg)/k)
Answers: 3
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Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
Answers: 1
Physics, 23.06.2019 01:30
The amount of potential energy possessed by an elevated object is equal to
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