Point out two distinct features observed experimentally in photoelectric effect which’ cannot be explained on the basis of wave theory of light. State how the ‘photon picture’ of light provides an explanation of these features.

Q: Define the term ‘stopping potential’ in relation to photoelectric effect.

A: Stopping potential- Stopping potential also known as cut off potential can be defined as stopping of…

Q: If the photoelectric effect is observed in one metal, can you conclude that the effect will also be…

A: For an electron to be liberated from the surface of the metal, the minimum energy required is…

Q: Discuss the wave-particle duality of light and its implications. What are possible industrial…

A: wave-particle duality: Wave-particle duality in physics  states that light and matter have…

Q: What is photoelectric effect and work function ?

A: The photoelectric effect is a phenomenon in which electrons are ejected from the surface of a metal…

Q: Define the terms (i) ‘cut-off voltage’ and (ii) ‘threshold frequency’ in relation to the pheno-menon…

A: (i) In the case of cut-off voltage, the circuit's photocurrent becomes negligible; it becomes…

Q: Which aspects of the photoelectric effect cannot be explained without photons? Which can be…

A: Photoelectric effect can be defined as a process in which, electricity is produced through light.…

Q: Which of the following statement is correct about a photon?

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Q: When a sodium-containing salt is heated in a Bunsen burner flame, this brilliant yellow light seen…

A: The energy of a photon of wavelength λ, is given by, E = hcλ where h is the Planck's constant =…

Q: Which of the following statements regarding Raman spectroscopy are correct? Select 4 of the 6…

A: Raman spectroscopy relies on the principle of inelastic scattering of Photons, also known as Raman…

Q: The question in the book asks if e is true or false. E says, "A photon's energy depends on its…

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Q: If the photoelectric effect is observed for one metal, can you conclude that the effect will also be…

A:

Q: Write three characteristic features in photoelectric effect which cannot be explained on the basis…

A: The phenomenon by which electrons are ejected from the surface of metal when light of sufficient…

Q: Which photoelectric effect can be explained without photons?

A: Photoelectric effect Photoelectric effect is the emission of electrons from or within a material…

Q: Does photon behave as both a particle and a wave? Explain.

A: Light is made of small perfectly,elastic particles called photons. Particle nature of photon  :-…

Q: This question concerns the photoelectric effect in a cosmic context. Ultraviolet radiation striking…

A: Given : Work function (Eo) = 4.5 eV  Wavelength (λ) = 200 nm = 200 x 10-9 m

Q: During his experiments that confirmed the existence of electromagnetic waves, Heinrich Hertz used a…

A: When the light rays strike the metal, then the photoelectrons gets emitted from the metal. There is…

Q: Does the photoelectric effect depend on the wave nature or the particle nature of light?

A: Photoelectric effect:

Q: In the photoelectric effect, the work function (Φ) is theminimum energy a photon must have to…

A: Given data ϕ1=4.59 eV( strikes perpendicular to the unit cell’s face)ϕ2=4.48 eV( perpendicular to a…

Q: Find From the experimental data on photoelectronization from the gold leaf. It was found that gold…

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Q: Why does light of a certain frequency need to be used to produce a current in the photoelectric…

A: When ultraviolet light or X-rays are made to fall on any metal surface (such as zinc plate), free…

Q: photons

A: The photoelectric effect explains the emission of electrons when the light strikes the metal. The…

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: Most black-and-white photographic film (with the exception of some special-purpose films) is less…

A: The energy of a photon is directly proportional to its frequency. The blue photons in the visible…

Q: is the maximum wavelength of light that will cause photoelectron to be emitted from sodium. ? What…

A: Given:-  if 200 nm light falls on the sodium surface Find:-  a) What is the maximum wavelength of…

Q: Introduction to Optics; A certain sensitive radar receiver detects an electromagnetic signal of…

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Q: Is the photoelectric effect a direct consequence of the wave character of EM radiation or of the…

A: The phenomenon of the emission of electrons from a metal’s surface when the light of appropriate…

Q: How do X-rays differ from microwaves?

A: To explain: Difference between X-rays and microwaves.

Q: If your cellphone camera needs at least 1000 photons per second to detect light of wavelength 481…

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Q: If the visible light of 400 nm to 700 nm wavelength is shone on Cesium of work function is 2.3 eV.…

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Q: Can the Compton effect occur with visible light? If so, will it be detectable? Prove your answer…

A: When the wavelength of the x-ray increased by the scattering of the x-rays and gamma rays, the…

Q: Why are ultraviolet photons more effective at inducing the photoelectric effect than photons of…

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Q: . Which of the following statements is true for the experimental findings on photoelectric effect?

A: Emission of electron when light of suitable frequency falls on metal surface is called photoelectric…

Q: In the context of the photoelectric effect, what is the work function?

A: Photoelectric effect establish relation between incident energy ,photo current and intensity of…

Q: RITleic eliergy Uf U.18 ev are emitted. The Plank's constant is 6.625 x 10-34 J s. Then (a)…

A: Wavelength = lambda = 635 nm  Kinetic energy maximum = KEm = 0.18eV  h = 6.625*10^(-34) Js   Work…

Q: Which, if either, has more energy: (a) a red photon emitted by ta bolt of lightning, or (b) a blue…

A: The wavelength of blue and red light is, λr=7000×10-10 mλb=4850×10-10 m

Nature of light

Light is transverse and electromagnetic radiation that exhibits the properties of a wave as well as a particle. For this reason, light is said to have a “dual nature.”