Use the following number convention for this question. 1 Red 2 Blue 3 Ultraviolet 4 Violet 5 Infrared 6 Green A student is asked to predict the type of EMR emitted when the electron in a hydrogen atom drops from a higher level to a lower level.

Q: The work functions of metals A, B, and C are 3.0 eV, 4.0 eV, and 5.0 eV, respectively. UV light…

A: Given: The work functions for metal A is 3.0 eV. The work functions for metal B is 4.0 eV. The work…

Q: An FM radio station broadcasts at 70 megahertz (MHz). What is the wavelength of each photon (in…

A:

Q: Two absorption lines in copper have wavelengths of 0.154 nvm and 0.139 nvm. Find the ratio of the…

A: When electrons of high energy strikes  on the metallic anode of an x -ray tube ,x -rays with a…

Q: What are the colors of a 4- bands resistor of a value R= (10 +or- 0.5) ?

A: R= (10 +or- 0.5)

Q: What is the frequency of a photon with wavelength of 400nm?

A: Given that,Wavelength, λ=400 nm=400×10-9 mWe know thatspeed, c=λfthen frequency, f=cλ      equation…

Q: What is the energy in joules and eV of a photon in a radio wave from an AM station that has a 1365…

A: frequency of protonf=1365k Hzf=1365×103 Hz

Q: A 633 nm helium-neon laser puts out 4.00 W of power with a beam 5.70 mm in diameter. The beam is…

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Q: Which choice below has lower energy photons than visible light? Energy (electron volts, eV) 10 10 10…

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Q: We know that electric charge is quantized and conserved. Can we say the same about Magnetic poles?…

A: Quantization of magnetic poles:

Q: -17 In what part of the EM spectrum would a photon of energy 4.5 x 10 J be found? radio wave…

A: Given, Energy,E=4.5×10-17J The energy is given by, E=hf Here, h is Planck's constant.…

Q: he count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a…

A: Given that: x=5 mm C=(1-0.75) C0=0.25C0

Q: 1. Calculate the number of radiation modes in a cube 1 mm on a side for a spread of 0.001 nm…

A: Write the equation of number of radiation modes.On differentiating, we getHence, the number of modes…

Q: if a detector receives 10-10 Watts of power in the wavelength band 2.65 to 2.80 \mu m, how many…

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Q: 4. Again, complete the following measurements using the simulator. Here, your goal is to find the…

A: The number of electrons detected for different wavelengths have been given in the table.As can be…

Q: The light from a laser has a wavelength of 500nm. What is the energy of one photon?

A: Wavelength =500nm=500×10^-9m

Q: What is the kinetic energy of an electron that passes undeviated through perpendicular electric and…

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Q: The count rate for a particular a source X is C0 on a detector placed 1 m from the source. When a…

A:

Q: In what part of the EM spectrum would a photon of energy 4.9 ✕ 10−11 J be found? radio wave…

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Q: solve equation Fmag = evB = _______?_______ (in terms of me, v, r) for the speed of the electron…

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Q: What are the J units converted to eV?

A:

Q: Define field emission.

A: The field emission is defined as a process of emission of electrons from the surface of a metallic…

Q: Solve equation ( Fmag = evB = me v^2/r) for the speed of the electron. Write in terms of variable…

A: The Magnitude of the magnetic force is given by,…

Compton effect

The incoming photons' energy must be in the range of an X-ray frequency to generate the Compton effect. The electron does not lose enough energy that reduces the wavelength of scattered photons towards the visible spectrum. As a result, with visible lights, the Compton effect is missing.

Recoil Velocity

The amount of backward thrust or force experienced by a person when he/she shoots a gun in the forward direction is called recoil velocity. This phenomenon always follows the law of conservation of linear momentum.