Electromagnetic radiation is absorbed by the laser medium. What is the purpose of this radiation that has just been emitted?
Q: many It take a photon to travel from the Sun to ne Earth? min (b) What is the energy in ev of a…
A: a) As we know that The distance between the earth and sun is d = 1.5×108km…
Q: The intensity of the sunlight reaching the Earth's surface is 1268 W/m2 and the average wavelength…
A: Given:- The intensity of the sunlight reaching the Earth's surface is 1268 W/m2 and the average…
Q: A recent study found that electrons that have energies between 3.15 eV and 20.9 eV can cause breaks…
A:
Q: Two absorption lines in copper have wavelengths of 0.154 nvm and 0.139 nvm. Find the ratio of the…
A: When electrons of high energy strikes on the metallic anode of an x -ray tube ,x -rays with a…
Q: A photon has a frequency of 9.00 x10-14 s-1. What is the wavelength? Is the photon visible?
A:
Q: Red light of wavelength 672 nm produces photoelectrons from a certain photoemissive material. Green…
A:
Q: Is visible light the only type of EM radiation that can cause the photoelectric effect?
A: When light hits the metal surface, the electrons are emitted from the surface of the metal is called…
Q: What is the frequency of a photon having energy 2.1 X 10-30 MJ?
A: E = 2.1 X 10-30+6 JFrequency, v = ?We know, Energy = hv, where h is the Planck’s ConstantTherefore,…
Q: What is the combined energy of 1 mole of 532 nm photons (green light)?
A:
Q: For the electron with a de broglie wavelength of 3.5 nm, what is the kinetic energy (in eV)?
A: We will first write an expression for kinetic energy of electron in terms of its debroglie…
Q: A microwave oven operates by emitting light of frequency of 2.45 GHz. What is the energy of a photon…
A: Frequency of the emitted photon ϑ = 2.45 GHz = 2.45×109 Hz Energy of a photon with a frequency ϑ is…
Q: Ultraviolet ray is responsible for sun tanning. Find the wavelength of an ultraviolet photon whose…
A: Given- Ultraviolet photon whose energy is E=6.4 x 10-19 J
Q: rties of blackbody radiation had been ished. First, the total intensity I (the ge rate of radiation…
A:
Q: A 76-kW AM radio station broadcasts at 1000 kHz. How many photons are emitted each second by the…
A: The wavelength of light and energy per unit photon are inversely related. The energy of a photon is…
Q: A black body radiates energy, the highest intensity radiation is at a wavelength of 164 nm. What is…
A:
Q: Suppose you need to image the structure of a virus with a diameter of 50 nm. For a sharp image, the…
A: Given Data:De-Broglie wavelength To Determine:The kinetic energy of the electron.
Q: A laser emits 5.67 x 101⁹ photons per second in a beam of light that has a diameter of 2.88 mm and a…
A:
Q: Calculate the average wavelength associated with an 150.0 lb athlete who covers 115 m in minute.
A: Given,Speed of athlete, v = 115 m/min = 1.91 m/sMass of athlete, m = 150 lb = 68.03 kg
Q: An x-ray photon of energy 3.20 x 10-15 J has what wavelength?
A:
Q: The temperature of a student's skin is 33.0°C. At what wavelength does the radiation emitted from…
A: Given data: Temperature T = 33.0 oC
Q: To what temperature, in a) K b) °C c) °F, does this wavelength correspond?
A: a) The temperature corresponding to the maximum wavelength can be determined as, Here, λmax and T…
Q: (a) A certain X-ray photon has a wavelength of 18 nm. Calculate the frequency (υ) of this type of…
A:
Q: The energy flux of sunlight reaching the surface of the earth is 1.388 × 103 W/m2. How many photons…
A:
Q: lue laseT beam 1s incidehi on a Ime causing lo be ejectc ihe melal. II the frequency of the laser…
A: given, frequency of incident beam= increased intensity of laser beam = unchanged
Q: (a) What is the wavelength (in nm) of radiation that has an energy content of 2.43 × 10³ kJ/mol x 10…
A:
Q: The emissivity of the human skin is 97.0 percent. Use 35.0 °C for the skin temperature and…
A:
Q: The carbon-dioxide laser is one of the most powerful lasers developed. The energy difference between…
A: Given:- Energy difference between two laser levels = 0.117 eV → We know that atoms emit…
Q: how ultra-violet radiation and x-rays are different. why exposure to ulta-violet radiation and…
A: Both are the electromagnetic waves and if we talk about x-rays they have wavelength of 0.01 nm to 10…
Q: If you shine light on a conducting metallic surface, the light can impart energy to electrons in the…
A: Photo electric effect is observed when a light of certain energy is incident on a metal plate and it…
Q: Different AM stations in the Philippines broadcasts at various radio frequencies. Find the energy in…
A: Energy, E =hν
Q: True FalseThe sun's radiation is most intense in the visible region. True False Radio waves travel…
A: True The sun's radiation is most intense in the visible region. False Radio waves travel in…
Q: If the frequency of radiation is doubled then the relation between initial K.E. and new K.E. is, (a)…
A: To find-New (K.E.)2=?Given-Initial frequency=(v)New frequency=2vInitial K.E.=(K.E.)1
Q: The sun’s surface temperature is about 5800 K. (a) About how much electromagnetic wave energy does a…
A: Using black body radiation laws
Q: How many photons are produced in a laser pulse of 0.824 J at 507 nm?
A:
Q: The temperature of the human body is 37 deg C. The intensity of radiation emitted by the human body…
A: A blackbody will emit radiation in all wavelengths. But at a given temperature the maximum value of…
Q: Suppose a hot object radiates with the twice the intensity as the sun on earth, i.e. 2600W/m2. What…
A:
Q: Consider a person sitting nude sun is absorbed by the person a the individual's skin temperatu…
A: Given:- On a sunny day, The visible radiation energy from the sun is absorbed by the person at a…
Step by step
Solved in 2 steps
