The electromagnetic waves with an energy of are likely X-rays.
The energy of an electromagnetic wave is related to its frequency and wavelength by the equation:
E = hf = hc/λ
where:
E = energy of the electromagnetic wave
h = Planck's constant ()
f = frequency of the electromagnetic wave
c = speed of light ()
λ = wavelength of the electromagnetic wave
Solving for λ:
λ = hc/E =
λ ≈
This corresponds to a wavelength of about 44 nanometers, which falls in the range of X-rays. Therefore, the electromagnetic waves with an energy of are likely X-rays.
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The amplitude of the pendulum is 5cm.
Amplitude is the maximum displacement of the wave from its mean position upwards or downwards.
As the graph of the motion of pendulum swings from +5cm to -5cm for each cycle, the magnitude of peak amplitude of the pendulum is 5 centimeters.
Learn about amplitude.
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??? What the answer
Answer:
mass!!
Explanation:
B. T=273K and P=0.25 atm
C. T=300k and P=2 atm
D. T=273K and P=2 atm
Answer:
help me please
Explanation:
B. Electric field.
C. Magnetic field.
D. Change in either a magnetic or an electric field.