Calculate the de Broglie wavelength of an electron moving with 1/3rd of the speed of light in vacuum. (Neglect relativistic effect) (Planck's constant : h = 6.63 × 10-3ª Js, Mass of electrons : m = 9.11 × 10-28 g)

Q: When a metal is illuminated with light of wavelength 420 nm, the stopping potential is 0.65 V; when…

A:

Q: (A) Calculate the de Broglie wavelength for an electron (me = 9.11 × 10-31 kg) moving at 1.00 × 107…

A:

Q: Light of frequency 0.790 × 10^15 Hz illuminates a sodium surface. The ejected photoelectrons are…

A:

Q: If a particle weighs 7.61 kg and has a de Broglie wavelength of 2.06 x 10-39 m , what is its current…

A:

Q: In a photoelectric experiment it is found that a stopping potential of 1.00 V is needed to stop all…

A:

Q: A biological virus of size d is 10 nm – 300 nm, mass m is 10 ^ -15 kg and average speed v = 1 mm/s.

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Find the de Broglie wavelength A for an electron moving at a speed of 1.00 × 106 m/s. (Note that…

A: Given,The speed of the electron, Mass of the electron, Planck's constant, According to de Broglie…

Q: What must be the velocity, in meters per second, of a beam of electrons if they are to display a de…

A: Wavelength, λ = 29.1 μmVelocity, v = ?

Q: Calculate the de Broglie wavelength of a 53.8 kg person who is running at a speed of 4.05 m/s.…

A:

Q: -1) The mass of a proton is 1.67×10-27 kg and the mass of an electron is 9.11x10-31 kg. A cal car…

A:

Q: Calculate the de Broglie wavelength of a proton moving at 2.33 x 104 m/s and 2.55 x 108 m/s. (a)…

A: The two speeds of proton  and

Q: What is the de Broglie wavelength of an electron with a kinetic energy of 245 keV?

A: de Broglie wavelength is given by, λ=hp,

Q: Max Planck proposed his constant h to relate the energy of a photon to its frequency. Calculate the…

A:

Q: The energy of an ultraviolet light is 3.28 eV. (i)     What is its wavelength? (Given: h=6.63✕10-34…

A: Given data: The energy of ultraviolet light E= 3.28 eV.

Q: Calculate the de Broglie wavelength for a proton moving with a speed of 1.00 ×106 m/s.

A: Matter or particles can behave both as a particle and a wave. This is called the dual nature of…

Q: (i) Calculate the de Broglie wavelength of an electron having a mass of 9.11 x 10-31 kg and a charge…

A: Apologies. We only answer one question at a time. we will answer the first one as the exact one…

Q: If a proton were traveling the same speed as electrons in a TV picture tube (about 8.5  107 m/s),…

A:

Q: In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…

A: Cut-off voltage is minimum negative potential applied to the plate or anode for which photoelectric…

Q: Calculate the energy of a photon in O wavelength 5000 A.

A:

Q: An electron has a de Broglie wavelength equal to the diameter of a hydrogen atom in its ground…

A: The de Broglie wavelength of the electron is

Q: The photoelectric equation for the kinetic energy of a photoelectron is, following Einstein, E <…

A: Photoelectric effect: When the photon of energy h𝛎 incident on the surface of the metal, this…

Q: If the threshold frequency of a metal is 0.5x1015 Hz and the wave length of the incident light is…

A:

Q: Compare the wavelengths of an electron (mass = 9.11*10-31 kg) and a proton (mass = 1.67*10-27 kg),…

A: Given:           An electron with mass = 9.11×10-31 kg           An proton with mass = 1.67×10-27 kg…

Q: Calculate the de Broglie wavelength for an electron with momentum 1.8 x1 0^-25 kg*m/s.

A:

Q: Ex. 51: Calculate the energy of a photon in O light of wavelength 5000 A.

A: To find-Energy of photon (E)=?Given-λ=5000 A0=5×10-7 mc=3×108 m/sh=6.63×10-34 Js

Q: What is the de Broglie wavelength of a particle with a momentum of 1.11 x

A:

Q: What are (a) the energy of a photon corresponding to wavelength 1.00 nm, (b) the kinetic energy of…

A: a) The expression for the energy of photon is,

Q: Calculate the de Broglie wavelength of a proton moving at 2.42 ✕ 108 m/s. ____m

A: Given data The velocity of the proton is, v=2.42×108 m/s   The de Broglie wavelength is, λ=hmv Here…

Q: momentum of 4.8 × 10-29 kg⋅m/s. Part (a) What is the wavelength of such a ph

A: We know that the formula of the photon momentum is given as  p = hλ------ eq1  where h is the Planck…

Q: Calculate the minimum wavelength of X-rays emitted when electrons accelerated through 20000 V,…

A:

Q: A/ The work function of a certain metal is = 4.15 eV. Determine the minimum frequency of light for…

A:

Q: A photocathode has a work function of 2.4 eV. The photocathode is monochromatic radiation in which…

A: Given data *The given photon energy is E = 3.5 eV = 3.5 × 1.6 × 10-19 J = 5.6 × 10-19 J *The given…

Q: (a) What is the de Broglie wavelength (in m) of an electron moving at a speed of 3.03 x 10* m/s? (b)…

A: Given:- for (a)    speed of electron (V) = 3.03  *104 m/s               planck's constant (h) = 6.6…

Q: Calculate the de Broglie wavelength for an electron travelling at 4.27x10^6 m/s

A: We known that, de Broglie wavelength is given by, λ = h/mv where, λ is the wavelength  h is Planck's…

Q: Calculate the velocities of electrons with de Broglie wavelengths of 1.7×103 nm and 5.0 nm,…

A:

Q: The threshold frequency for a certain metal for photoelectric effect is 1.7 x 1015 Hz. When light of…

A: To find-Planck's constant (h)=?Given-Threshold frequency,ν0=1.7×1015 HzFreuency of incident…