The warmth that you feel from a fire is thermal energy transmitted to you by which type of electromagnetic waves? a. ultraviolet waves b. infrared waves c. microwaves

Q: 7. Which kind of electromagnetic wave is used to gather information about the human body in PET…

A: Gamma rays are used to gather information about the human body in PET scanning

Q: 5. Astronomers often observe a A = 21.1 cm microwave emission line from h What is the frequency of…

A:

Q: Q4: If you wish to detect details of the size of atoms (about 0.2 nm) with electromagnetic…

A: Given Data: Size of atom⇒ radii of atom⇒0.2 nm Wavelength= Size of atom⇒λ=0.2 nm=0.2×10-9 m…

Q: 41) Which of the following radiations is NOT an electromagnetic wave? (B) ultra-violet radiation A.…

A: Required :: Which is not an EM radiation.

Q: 65. A 150-W lightbulb emits 5% of its energy as electromagnetic radiation. What is the radiation…

A: Given: The power of the bulb is 150 W. The energy emitted is electromagnetic radiation is 5%. The…

Q: Microwaves, X - rays. UV - rays and infrared rays-which of the above electromagnetic waves has (i)…

A: Among X-Rays, UV rays, microwave and infrared rays, X-Rays have shortest wavelength. Answer: X-Rays.

Q: 6- Which of the following has/have zero average value in a plane electromagnetic wave? (a) Both…

A: The current options are given as follows:

Q: Why are light rays known as electromagnetic waves? Explain and elaborate.

A: Light rays are categorised as Electromagnetic waves because of following reasons :-  1. Waves ,on…

Q: What is the difference between mechanical wave and Electromagnetic wave. Also why does the…

A: Mechanical waves are a type of wave that transfer energy through medium by oscillating medium…

Q: 1. Ultraviolet radiation has a wavelength of 200 nm. What is the frequency of the radiation?

A: Part (1): Given: The wavelength of the light is 200 nm.

Q: What is the definition for "wave" in relation to the electromagnetic spectrum? O a hand motion; an…

A: To explain : The definition for "wave" in relation to the electromagnetic spectrum

Q: 9. Which of the following devices is considered as an ionizing EM wave? A. Thermal Scanner B.…

A: Ionizing em wave are those which are capable of ionizing atoms

Q: 4. Which statement explains why microwaves are used in satellite communication? * O It has…

A: Step1: Overview  Microwaves can make it through the ionosphere, while lower frequency waves tend to…

Q: 1. You are sitting in a room doing the Phys 230 noticed, which of the following electromagnetic…

A: Given : To choose the correct option.

Q: All electromagnetic (EM) waves carry energy. How does the energy relate to the frequency of the…

A: For an electromagnetic waves, the energy of photon is,  E = h ν Where, h is the Planck's constant.…

Q: 20 Write the name of the appropriate electromagnetic wave from Longest to shortest wave. Use the…

A: As it a multiple questions, I answer first three questions. Please resubmit the…

Q: Electromagnetic radiation from a 4.9-mW laser is concentrated on a 0.75-mm2 area. Part (a) What…

A: 1) Power = 4.9 mW Area = 0.75 mm2

Q: Why is it not possible for the human eye to see the frequencies of infrared light? Explain.

A: Why is it not possible for the human eye to see the frequencies of infrared light?

Q: Define Electromagnetic Waves and give an example to support the answer

A: Electromagnetic waves

Q: 10. The dial on an FM radio contains numbers ranging from about 88 to about 108. These numbers…

A: Given data: Range of frequency is, f= 88 MHz - 108 MHz.

Q: 18. A charged particle oscillates with a frequency of 300 MHz. The wavelength of electromagnetic…

A: Given   frequency of oscillation charge particle is 300MHz    so F=300X10^6 Hz we need to find the…

Q: List in a table the energy, wavelength and frequency for the seven sub-regions of the visible…

A:

Q: 9.  A certain radar installation transmits electromagnetic radiation with a wavelength of 3.5 cm.…

A: Given,

Q: 7. The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with…

A: The intensity relation is given in terms of total energy, time, and area as I=UAt

Q: Is sunlight a form of electromagnetic energy? Explain.

A: Given:  Sunlight

Q: 3. If you wish to detect details of the size of atoms (about 1×10-10m) with electromagnetic…

A: Given data: wavelength λ=1×10-10m

Q: A C AB AE B E D В AB E E В

A: E represents the direction of electric field B represents the direction of magnetic field c…

Q: Name: 1. An electromagnetic wave travels in a vacuum. The wavelength of the wave is doubled. How is…

A: Given:Let,Original wavelength = λNew Wavelength in vacuum = 2λ

Q: 5. If the amplitude of the electric field is reduced to one-third of its original size, by what…

A: Given: Amplitude of E.F is reduced to 13 rd of it's original size.

Q: 2). Last month, my house used 300 kWh of energy. 1 kWh is 3.6 X 106 J. If the average intensity of…

A:

Q: As a medical professional, it is very important to understand the types of radiation and wavelengths…

A: The radiation which are commonly used on the human body are like X rays and gamma rays.  These…

Q: 8. Which portion of the electromagnetic spectrum below has the longest wavelength? a. gamma rays b.…

A: We have five EM waves that are given to us from the electromagnetic spectrum : Gamma rays,…

Q: Determine the wavelength of the infrared carrier wave transmitted by a television remote control at…

A: Given:- Frequency of the wave = 38 kHz = 38000 Hz

Q: 2 interesting facts about Infrared waves

A: Electromagnetic waves are the waves produced by changing electric field and magnetic field . The…

Q: 10- An electromagnetic wave is generated by: A. any moving charge B. any accelerating charge C. only…

A:

Q: When electromagnetic waves travel from one medium to another, its speed changes (either increase or…

A:

Q: What is a Electromagnetic Wave?

A: We will solve the first question as the exact question to be solved is not specified. Please…

Q: 4. Calculate the frequency of light that has a wavelength of 4.25 x 10-°m. Identify the type of…

A:

Q: 8. How long does it take sunlight to travel from the Sun to Earth?

A: Sunlight is a portion of the electromagnetic radiation emitted by the Sun. The sunlight travels with…

Q: 6. List the electromagnetic waves in order of increasing frequency.   a. radio waves,gamma…

A: The frequency of the radio waves,

Q: 1. Increasing the magnitude of the electromagnetic field E to 4E increases its intensity by a factor…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: What is an electromagnetic wave?

A: Electromagnetic waves are a type of energy wave that has an electric as well as a magnetic field.…

Q: ____9. There are seven members of electromagnetic radiation family. ____10. EM waves are composed of…

A: The answers along with explanation are given below.