What is an electromagnetic radiation in chemistry?
Electromagnetic radiation is an electric and magnetic disturbance traveling through space at the speed of light (2.998 × 108 m/s). It contains neither mass nor charge but travels in packets of radiant energy called photons, or quanta.
How do you calculate electromagnetic radiation?
Conclusion. Electromagnetic radiation can be described by its amplitude (brightness), wavelength, frequency, and period. By the equation E = h ν E=h\nu E=hν , we have seen how the frequency of a light wave is proportional to its energy.
What are 4 examples of electromagnetic radiation?
Radio waves, microwaves, visible light, and x rays are all examples of electromagnetic waves that differ from each other in wavelength.
Which of the following formula is used to solve for the frequency of an EM wave?
The frequency f of the wave is f = ω/2π, ω is the angular frequency. The speed of any periodic wave is the product of its wavelength and frequency. v = λf.
What are 5 examples of electromagnetic radiation?
They include:
- Radio Waves.
- TV waves.
- Radar waves.
- Heat (infrared radiation)
- Light.
- Ultraviolet Light (This is what causes Sunburns)
- X-rays (Just like the kind you get at the doctor’s office)
- Short waves.
What causes electromagnetic radiation?
Electromagnetic radiation is produced whenever a charged particle, such as an electron, changes its velocity—i.e., whenever it is accelerated or decelerated. The energy of the electromagnetic radiation thus produced comes from the charged particle and is therefore lost by it.
What is H in E HF?
This relationship is described by Planck’s equation: E = hf, where E is the energy, f is the frequency and h is Planck’s constant, which has a value of approximately 6.626 * 10-34 joule-seconds.
What is the formula to calculate the speed of an electromagnetic wave?
The speed of a wave is a product of its wavelength and frequency. Because all electromagnetic waves travel at the same speed through space, a wave with a shorter wavelength must have a higher frequency, and vice versa. This relationship is represented by the equation: Speed = Wavelength × Frequency.
What are the 7 types of electromagnetic waves?
The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
How do you calculate the wavelength of radiation?
How do you measure wavelength?
- Use a photometer to measure the energy of a wave.
- Convert the energy into joules (J).
- Divide the energy by Planck’s constant, 6.626 x 10-34, to get the frequency of the wave.
- Divide the speed of light, ~300,000,000 m/s, by the frequency to get wavelength.
What is electromagnetic radiation?
Electromagnetic radiation is something that we use every day. Ionizing radiation can cause damage to living tissue. Take a look around you. Describe an ex… What kind of wave is light? In elaborate detail, explore type of electromagnetic radiation other than visible light.
Can you solve basic electromagnetic problems?
Using the equations below, you will solve basic electromagnetic problems: (4) A ray, emitted from the sun, is shining through your kitchen window into a prism. The prism then casts a rainbow on the windowsill.
What is the relationship between wavelength and frequency of electromagnetic radiation?
The energy of electromagnetic radiation is related to the wavelength ( λ) and the frequency (ν) by the relationship: where h is Planck’s constant (6.636×10 −34 J s) and c is the speed of light (3×10 8 m s −1 ). Molecular energy levels represent specific states which reflect the overall structural, electronic and motional properties of the molecule.
Do all molecules absorb electromagnetic radiation at some frequency?
All molecules will absorb electromagnetic radiation at some frequency. B. Frequency is directly proportiona… When a conducting loop rotates in a magnetic field, why does the induced voltage rise and fall during a complete revolution? What is the energy (in Joules per photon) of visible radiation that has a wavelength of 6.405 x 10-7 meters?