The de Broglie relation indicates that the wavelength of objects with smaller momentum will be longer. True O False
Q: A circular coil enclosing an area of 120 cm is made of 210 turns of copper wire (shown in the figure…
A: Solution:-Given thatArea of circular coil (A)=120 cm2=0.012 m2Number of turns (N)=210 turnsR=7…
Q: The cutoff wavelength for the photoelectric effect in a certain metal is 254 nm. What is the work…
A: The cutoff wavelength is the minimum wavelength required by a photon to cause a photoelectron…
Q: An electron accelerates from the rest through a potential difference of 2.00 kV. What is itsde…
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Q: Neutron is a neutral particle with a mass of 1.67x10^-27 kg. Compute the de Broglie wavelength for…
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Q: For a free electron determine the electron's de Broglie wavelength, momentum, kinetic energy and…
A: We have k=50 nm-1=50×109 nm-1k=2πλde Broglie wavelength,λ=2π50×109=1.256×10-10mNow,…
Q: Molybdenum has a work function of 4.20 eV. Find the cutoff wavelength for the photoelectric effect.
A: Certain metals release electrons from their surface when light falls on them. This process is called…
Q: Calculate the de Broglie wavelength of a bullet of mass 80 g travelling at speed 869 m/s. Express…
A: Given, mass of bullet=80g=80x10-3 kg speed =v=869 m/s De broglie wavelength is given by…
Q: If a proton and an electron have the same momentum, which one has the longer de Broglie wavelength?…
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Q: A photon of wavelength 6.98 pm scatters at an angle of 152∘ from an initially stationary, unbound…
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Q: A particle A of mass 'm' and charge 'q' is accelerated by a potential difference of 50 V. Another…
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Q: (a) A nonrelativistic free particle with mass m has kinetic energy K. Derive an expression for the…
A: (A) We know that KE of the particle is given by K=12mV2=P22m Further solving P=2mK⋯⋯1 The de Broglie…
Q: An electron is trapped in an infinite well of width 0,12 nm. What are the three longest wavelengths…
A: The width of the infinite wall is given as, L = 0.12 nm (or) L = 0.12×10-9 m TO DETERMINE: The three…
Q: A particle with a mass of 0.02 kg is moving at a velocity of 500 m/s. Calculate the de Broglie…
A: Mass (m) of the particle = 0.02 kgVelocity (v) of the particle = 500 m/sDe Broglie equation is to be…
Q: A sprinter wins a 100-m dash in 9.30 s. What is his de Broglie wavelength at this speed if his mass…
A: The given data are: d=100 mt=9.3 sm=85.4 kg Here, d is the distance, t is the time, and m is the…
Q: The minimum uncertainty Ay in the position y of a particle is equal to its de Broglie wavelength.…
A: The de Broglie wavelength of a particle hqving momentum p is λ = h/p where h is the Planck's…
Q: Calculate the de Broglie wavelength of a 41.2 kg person who is running at a speed of 4.74 m/s.…
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Q: Singly charged sodium atoms are accelerated through a potential difference of 248 V. (a) What is the…
A: Potential difference Vo = 248 V Mass of sodium ion m = 3.819 × 10 - 26 kg
Q: An electron is accelerated through a potential difference ΔV. A second electron is accelerated…
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Q: The threshold wavelength for the photoelectric effect for silver is 262 nm. What is the work…
A: Given data: Threshold wavelength (λ0) = 262 nm Required: The work function (Φ0)
Q: In a photoelectric effect experiment you illuminate a metal with light of wavelength 240 nm and…
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Q: Calculate the de Broglie wavelength a)an electron with kinetic energy 50eV. b) an proton with…
A: Given: Kinetic energy= 50 eV
Q: Calculate the de Broglie wavelength of a 90 kg person who is running at a speed of 5.25 m/s. Answer…
A: It is given that m=90 kgv=5.25 m/s
Q: By what factor does the de Broglie wavelength of a particle change if (a) its momentum is doubled or…
A: Step1 - Here we will solve part(a) of the question. (a). its momentum is doubled…
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- In a photoelectric effect experiment you illuminate a metal with light of wavelength 290 nm and measure a stopping potential of 1.2 V. What is the work function of the metal, in electron volts?Electrons with an energy of 0.842 eV are incident on a double slit in which the two slits are separated by 40.0 nm. What is the de Broglie wavelength (in nanometers!) of these electrons?An electron is accelerated from rest through a potential difference of 100 V. What is the de Broglie wavelength of the electron?
- In an electron microscope, we wish to study particles of diameter about 0.10 μm (about 1000 times the size of a single atom). (a) What should be the de Broglie wave- length of the electrons? (b) Through what potential dif- ference should the electrons be accelerated to have that de Broglie wavelength?What speed does an F2 molecule have if it has the same momentum as a photon of wavelength 225 nm?The smallest atoms can themselves exhibit quantum mechanical behavior Calculate the de Broglie wavelength (in picometers) of a hydrogen atom traveling at 430 m/sm/s. Express your answer using three significant figures.
- The minimum uncertainty Ay in the position y of a particle is equal to its de Broglie wavelength. Determine the minimum uncertainty in the speed of the particle, where this minimum uncertainty Avy is expressed as a Avy percentage of the particle's speed vy Percentage = × 100 % Vy ignored. Number Units 6). . Assume that relativistic effects can bea) Find the de Broglie wavelength of electrons moving with an average speed of 1.55 x 105 m/s. b) Suppose these electrons are described by a wave packet of width 2.55 nm. What is the uncertainty of the momentum of the electrons?