WorksheetsIB Physics Warm-up Subtopic 7.1
Total questions: 20
Worksheet time: 21mins
The lower the frequency the ______ the energy.
higher
lower
neither, stays the same
Wavelength Not Frequency
Wavelength Not Frequency
Calculate the energy of a gamma ray photon whose frequency is 5.02 x 1020 Hz?
4.73 x 1072 eV
2.07 x 10 6 eV
3.33 x 10-13 eV
1.21 x 10 35 eV
What is the energy of light whose wavelength is 4.06 x 10-11 m?
2.69 x 10-44 eV
4.89 x 10-15 eV
3.06 x 10 4 eV
5.04 x 10-17 eV
What is the speed of light in a vacuum?
3×108 m/s
3×10−8 m/s
6.63×1034 J s
6.63×10−34 J s
What is the value of Planck's constant?
3×108 m/s
3×10−8 m/s
6.63×1034 J s
6.63×10−34 J s
Which of the following is TRUE about the frequency and energy in electromagnetic waves?
As the frequency of an EM wave increases, the energy also increases.
As the frequency of an EM wave increases, the energy decreases.
The Planck's constant increases when the frequency and energy of an EM wave increase.
There is no relation between the energy and the frequency of an EM wave.
What is the frequency of green light that has a wavelength of 500 nm?
6×10−3 Hz
6×105 Hz
6×1014 Hz
6×10−16 HZ
