Consider one of the many electrons on the tip of your nose. If somebody looks at it, will its motion be altered? How about if it is viewed with one eye closed? With two eyes open, but crossed? Does Heisenberg’s uncertainty principle apply here?

Q: Is a light a particle, wave or a combination of both? Give examples

A: Like any other wave, the light also goes through reflection and refraction. Therefore it has…

Q: A certain photon of light has a wavelength of 150 micrometers. What type of light is this?

A: A certain photon of light has a wavelength of 150 micrometers.   1 micrometer = 10-6 meter.

Q: If light were passed through a round hole instead of a thin slit in a spectroscope, how would the…

A: A spectroscope is a device used in measuring wavelength and energy of the light wave. This is done…

Q: In what ways do photons resemble other particles such as electrons? In what ways do they differ? Do…

A: The packages of electromagnetic energy are carried by particles called photons. Photons are…

Q: What can be said about the relative temperatures of whitish-yellow, reddish, and bluish stars?…

A: Bluish stars are the hottest among the stars.

Q: How does the interference of water waves differ from the interference of electrons? How are they…

A: When two or more waves superimpose each other, then they produce interference pattern.

Q: What do you understand by the invisible spectrum?

A: The visible spectrum of light consists of 7 colors. i.e. Violet, Indigo, Blue, Green, Yellow, Orange…

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

A: wavelength = 5.80 x10-7m

Q: Choose the BEST answer to the following: Planck’s constant can be found by dividing the energy of a…

A: The equation for the energy of photon is given by,

Q: How can a single photon or electron diffract? What allows light to be characterized as both a…

A: Diffraction is a phenomenon by which waves interact with each other, as a result of passing through…

Q: Which of the following statement is correct about a photon? (Is the answer I selected correct?)…

A:

Q: Narrow line spectra are emitted by

A: To discuss narrow line spectra are emitted by which kind of atom.

Q: Discuss the dual nature of light wave versus photon and give examples of each.

A: Light consists of dual nature which means sometimes it behaves like a particle known as photon,…

Q: What are wave functions?

A: Introduction: Physics is the science of the universe including living and non-living things…

Q: How do the avalanches of photons in a laser beam differ from the hordes of photons emitted by an…

A: Avalanche photons which are emitted by a laser beam is coherent and narrow range of wavelength (non-…

Q: Which has the greatest energy- a photon of infrared light, of visible light or of ultraviolet light?

A:

Q: Can a particle be diffracted? Can it exhibit interference?

A: Yes; a particle can be diffracted and also they can be interference according to the De-Broglie’s…

Q: How do the surface temperatures of reddish, bluish, and whitish stars compare?

A:

Q: When you observed the photoelectric effect, in what situation or scenario you observe that?

A:

Q: what is related between Van Der Graaf and electromagnetic? (Please include the…

A:

Q: Consider an electron in an infinite potential well size of a=0.1 nm. What is the ground energy of…

A:

Q: How do you find the energy, in electron volts of a photon in the radio waves?

A: Given : frequency , f = 88.3 MHZ  Energy, E = 5.85 × 10-26 J  Find : Energy in eV

Q: Why won’t a very bright beam of red light impart more energy to an ejected electron than a feeble…

A: Violet has more frequency than red .Energy of electromagnetic radiation is directly proportional to…

Q: Which has more energy—a photon of visible light or a photon of ultraviolet light?

A:

Q: According to Dutch scientists Christiaan Hudgens what was light made of?

A: As we know that, in history there has been a huge confusion among scientists about the nature of…

Q: Why does a fireplace poker appear black when not in the fire and red, yellow, or white when left in…

A:

Q: How does the lifetime of a typical CFL compare with that of an incandescent bulb?

A: The compact fluorescent lamps are more efficient than incandescent lamps. They put about four times…

Q: What is a photoresist?

A: A unique subset of stimuli-responsive materials that alter in response to light exposure are…

Q: Coherent diffraction means

A: Required :: What does coherent diffraction mean.

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

A:

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: How is the wavelength of light correlated with its energy content?

A: The energy of light can be expressed as E=hν

Q: When ultraviolet light shines on glass, what does it do to electrons in the glass structure?

A: Ultraviolet light is the light having wavelength less than the violet color's wavelength. It has…

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: Which has greater energy per photon: red or blue light?

A: The energy of a photon is inversely proportional to its wavelength.

Q: Are the photoelectric effect inconsistent with the existence of photons?

A: Are the photoelectric effect inconsistent with the existence of photons?

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: Electrons are ejected from a metallic surface with speeds ranging up to 5.0 × 105 m/s when light…

A: The velocity of ejected electrons v=5×105 m/s The wavelength of the light λ=625nm=625×10-9m

Blackbody

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