If a light ray strikes a smooth surface with an angle of 30 degrees to normal, what will the reflected photon's angle to the surface be?

Q: A laser gives off a monochromatic ultraviolet light with a wavelength of 344nm. What is the energy…

A: A photon is a quantum of electromagnetic radiation. Electromagnetic waves are transverse waves. The…

Q: Which color of light has the higher energy per photon, violet or red?

A: The energy of photon be defined as, E=hν

Q: Why is photoelectric emission not possible at all frequencies?

A: Given:-   Photoelectric emission not possible at all frequencies explain:-  Photoelectric emission…

Q: Of the choices below, photons of which color carry the most energy?     orange     blue…

A: Ques: Of the choices below, photons of which color carry the most energy?     orange…

Q: Compute the wavelength of an X-ray with a frequency of 8.0 x 1018 Hz.

A: Given, Frequency (f) = 8.0 x 1018 Hz We know,  Speed of light (c) =3 * 108 m/s also Wavelength (λ) =…

Q: If a metal surface has a work function of 3 eV, find the largest wavelength of light which will…

A: work function(W)=3 eV 1eV=1.6 x 10-19 J W=3 x 1.6 x 10-19 J=4.8 x 10-19 J Formula for work function…

Q: Does the Ray band towards or sway from the outgoing side of the surface normal?

A: Refraction of light occurs when it passes from one medium to another medium .

Q: If photon A was a violet colored photon in the visible region of the electromagnetic spectrum,…

A: Given If photon A was a violet colored photon in the visible region of the electromagnetic spectrum,…

Q: A beam of white light has the same intensity at all visible-light wavelengths. Does the beam contain…

A: The expression for intensity (I) of photon is given as: I=NhcAλ Here, N is the number of photons, λ…

Q: If the work function of a tungsten surface is 5.4 eV. When the surface is illuminated by light…

A:

Q: Calculate the momentum of a photon of yellow light of wavelength 5.80 x10-7m

A: wavelength = 5.80 x10-7m

Q: When light with a wavelength of 198 nm strikes the surface of tin metal. What is the photon energy…

A:

Q: The energy associated with a photon depends upon the photon's: a. frequency b. the brightness of the…

A: The energy of a photon is given by the expression :  Energy = Planck's Constant x  Frequency…

Q: Compute the wavelength of an X-Ray with a frequency of 7 x 10^18 Hz

A: The X-ray is the form of the electromagnetic wave. Therefore, the speed of the X-ray will be 3×108…

Q: f a kiln has a temperature of 1770 K. What would be the peak wav

A: Given,Temperature of kiln, T = 1770 K

Q: What can you say about the x-ray spectra?

A: A German physicist, Wilhelm Roentgen discovered x-rays in 1901. For discovery of x-rays he won Nobel…

Q: An X-ray photon of wavelength 10 pm is scattered through an angle of 80°. The scatted radiation has…

A:

Q: You are measuring the energy of photon corresponding to the colors seen in the spectrum below. You…

A:

Q: When light with a wave length 200nm is incident on a metal surface electrons are ejected with a max…

A: Given Data: The kinetic energy is: E1=3.34×10-19 J The wavelength is: λ1=200 nm=200×10-9 m The…

Q: An electron is accelerated through a potential difference of 64 volts. What is the de-Broglie…

A: Voltage, V=64 V De-Broglie wavelength, λ=h2meV

Q: At frequency, the incident light causes the ejection of electrons from the metal. a. work function…

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Q: Is light a wave or a particle? Support your answer by citing specific experimental evidence.

A: Experimental evidence shows that light can act as both a wave and a particle. It has dual nature.

Q: What is the difference in wavelength between the incoming and scattered photon if the angle of…

A: Write the given data. θ=45°

Q: When light with a wavelength of 198 nm strikes the surface of tin metal. What is the photon energy…

A:

Q: The light from a laser has a wavelength of 500nm. What is the energy of one photon?

A: Wavelength =500nm=500×10^-9m

Q: A quantum of light energy is called a/an ______________. a. index of refraction b. intensity 3.…

A: Required:  The quantum of light energy

Q: Can X-rays cause photoelectric effect?

A: In photo electric effect, the the falling lights ejects the electron from the metal surface. The…

Q: We speak of photons of red light and photons of green light. Can we speak of photons of white light?…

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Q: Compare Compton scattering and the photoelectric phenomenon.

A: Compton effect indicate the contact phenomenon of photon and electron and are scattered Entire…

Q: If the photoelectric effect is established, what will be the effect of increasing frequency of…

A: Given that, If the photoelectric effect is established, what will be the effect of increasing…

Q: compute the wavelength of an X-ray with a frequency of 8.0 x 1018 Hz

A: We know that f=Cλ  Where C= speed of light =3x108 m/s…

Q: If I cut a wavelength to 1/3 its original length, How would the energy of this photon change?

A:

Q: The Temperature of a blackbody increases from 200∘C to 400∘C. What is the change in the frequency…

A: By weins displacement law (Lambda)mT = constant

Q: In what part of the EM spectrum would a photon of energy 2.1 ✕ 10−11 J be found?   What is its…

A: energy= 2.1 ✕ 10−11 J first we need to find frequency and then from there we will be able to…

Q: Which has more energy, a photon of ultraviolet radiation or a photon of yellow light?

A: Ultraviolet light (invisible) has a shorter wavelength and a higher frequency (so photon energy)…

Q: The intensity of a beam of monochromatic light is doubled. Which of the following change may occurs…

A:

Q: How would you modify the operation of the tube to give a) an X-ray beam with greater photon energy?…

A: In this problem, it is asking that how can the modification of tube is done so that the photon…

Q: Compton scattering is studied in X-ray of wavelength 0.2 nm and the scattered beam is observed at…

A: Given Wavelength λ = 0.2 nm  = 0.2 × 10-9 m  angle of scattering θ = 90⁰

Q: Consider the electromagnetic radiation inside a kiln, with a volume of 1 m3 and a temperature of…

A:

Q: Find the diffraction angle (in degrees) when a photon impacts a stationary electron with an initial…

A: Given value--- initial wavelength = 4 pm. final wavelength = 6.7 pm. We have to find--- Angle of…

Q: In a photoelectric emission experiment, photoelectrons are produced when an electromagnetic…

A: Required :: What will happen to the photoelectric emission, if the intensity and the wavelength is…

Q: An electron is accelerated through a potential difference of 100 volts. What is the de-Broglie…

A: Given,  Potential difference ( V ) = 100 volts

Q: Calculate the energy of a photon of wavelength 600 nm (or 600 x 10-9 m).

A: Given :-  wavelength(λ) = 600 nm = 600 * 10-9 m energy of photon = h c /λ where h is planck's…

Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?