Ex 41 Ex 41: Photoelectric work function of a photosensitive the threshold wavelength. material is 4.8×10-19. Calculate (March '89)

Q: In the photoelectric effect, the greater the work functiona. the greater the speed of an electronb.…

A: The objective of the question is to understand the relationship between the work function and…

Q: When ultraviolet light with a wavelength of 400 nm falls on a certain metal surface, the maximum…

A: The photoelectric equation is given as                     where is the incident energy…

Q: The threshold wavelength for the photoelectric effect for silver is 262 nm. 1) Determine the work…

A: Given, The threshold wavelength,  λ0=262nmλ0=262×10-9m 1. The energy of the photon is the work…

Q: Albert Einstein received the Nobel Prize in Physics in 1921 "for his services to theoretical…

A: The correct answer is option (1) i.e. It essentially describes how photons of light provide energy…

Q: A certain microwave oven produce microwave with wavelength at 2.50 mm, if 20.0 moles of photons are…

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Q: Photoelectrons with a maximum kinetic energy of 7.95 eV are emitted from a metal when it is…

A: Solution:-Step Q1: Step Q2: Step Q3:

Q: . i. Calculate the maximum wavelength λmax of electromagnetic radiation that could eject electrons…

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Q: 1) A metal has threshold frequency 10^15. Calculate the maximum kinetic energy of the ejected…

A: Part (1): Given: The threshold frequency of the metal is 1015 Hz. The wavelength of the beam is…

Q: i) Calculate the wavelength of the light. ii) Calculate the stopping potential.

A: Given, Work function of metal,W=3.2×10-19J Speed of ejected electrons,v=8×105m/s

Q: A lamp that emits photons of wavelength 200nm is used un a photoelectric effect demonstration.…

A: Wavelength of photon, C= 200 nm  Area of plate, A = 0.01 m Current produced, I = 5 mA Number of…

Q: 400 nm light beam falls on a Ce photocathode, whose extraction work is 1.8 eV. Calculate: a)…

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Q: PET is an abbreviation for O photon emission tunneling. O photon-electron tunneling. O pericranial…

A: Positron emission tomography is the abbreviation of PET in pysics It is a nuclear imaging technique…

Q: As the intensity of light increases in the photoelectric effect, the ejected electrona. has a…

A: The question is asking about the effect of increasing the intensity of light on the photoelectric…

Q: 4) The minimum frequency for the photoelectric effect to occur in a given metal is 5 x 10¹4 Hz. a)…

A: Given: Minimum frequency (fο) = 5 × 1014HzTo find: a) Work function of the metal (W)             b)…