Respuesta :
Answer:
about 2 x 10^-24 J
Explanation:
frequency (ν) = 3 x 10^9 Hz
We have the frequency and we're trying to find the energy of a photon so we will be using the formula...
E = hν
where 'h' is Planck's constant: 6.626 × 10^−34 joule seconds (J s).
Plug the numbers in...
E = (6.626 × 10^−34 Js)(3 x 10^9 Hz)
E = 1.9878 x 10^-24 J
E ≈ 2 x 10^-24 J
1.9 x 10⁻²⁴ units energy of one photon in these microwaves.
What is frequency?
Frequency is a measurement of how often a recurring event such as a wave occurs in a measured in a given amount of time.
- One completion of the repeating pattern is called a cycle.
- Moving waves which vary their positions with respect to time possess frequency.
Frequency is a property of a wave. We all are surrounded by waves every day. Light is an electromagnetic wave, and the sound of the fan in your computer is a sound wave.
c = λν (Universal formula)
E = hν (Plank's equation for wave energy)
- c is a light c = 2.99 x 10⁸ m/s
- h is a plank's constant h = 6.626 x 10⁻³⁴ m/s
- λ is a wavelength Unit: m
- ν is a frequency Unit: Hz
E = hν
E = 6.626x 10⁻³⁴ x 3 x 10⁹
= 1.9 x 10⁻²⁴ units
1.9 x 10⁻²⁴ units energy of one photon in these microwaves.
Learn more about frequency, Here:
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