7. What is the photoelectric effect and why couldn’t it be explained by classical physics?
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A: Solution:-Step Q1: Step Q2: Step Q3:
Q: 4. In an experiment on photoelectric effect, the slope of the cut-off voltage versus frequency of…
A: For the Photoelectric effect, from Einstein Photoelectric equation: Slope=h/eorh=Slope×ehere,…
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A: We use the formula for photoelectric effect to get the required.
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A: Blackbody radiation curves.
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A: Let photons of wavelength (λ) are incident upon a metal , but no photoelectrons are ejected.
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A: Given data:The slope of the cut-off voltage versus the frequency of incident light is 4.12×10-15 Vs…
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Q: 5. Calculate the wavelength of a photon having the same momentum as an electron moving at 10 m/s ,…
A: The wavelength of the photon is calculated by using the De Broglie relation , which is , λ=hmv ,…
Q: The photoelectric effect: a. results in the ejection of electrons by light at high…
A: It is required to choose the correct option from the given about the photoelectric effect.
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A: Frequency of wave emitted: 60 HzThe aim is to determine the energy of the photons corresponding to…
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A: The spectral exitance of an ideal black body radiation source follows plank's law
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Q: The work function of K is 2.2 eV (a) Calculate the threshold frequency and wavelength (b) Will…
A: work function of k = 2.2 eV
Q: choose the correct answer 1. The “Photoelectric Effect” involves: A. emission of electrons that…
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Q: What is the de-Broglie wavelength of (a) a bullet of mass 0.040 kg travelling at the speed of 1.0…
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Q: Perfect absorbers of electromagnetic radiation are also perfect emitters. b. At any instant in time,…
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7. What is the
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- 8. Calculate the frequency of a photon which has a linear momentum of 1.18x1023kg m/s5. A surface of copper (work function = 4.70 eV) is illuminated by light with a wavelength of 220 nm. What is the maximum kinetic energy of the emitted photoelectrons?Which of the following does NOT use the photoelectric effect? A digital camera. OA transistor. A solar panel.
- A photon of light has a frequency of 5.00 x 1014 Hz. If the frequency of the photon was doubled then which of these would happen to the energy of this photon? a. it would become one-fourth as much b. it would become half as much c. it would double d. it would quadruple e. it would triple5. Express the work function for a photoelectric effect experiment in terms of the cut-off frequency. A. K/fc B. hfc C. fc/2 D. h/fc