Physics Questions
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The energy of a photon equals its Planck's constant (h) multiplied by the speed of light(c) and then divided by the wavelength. E = hc/λ. If a blue light changes to a yellow light, what effect does this have on the energy of the photon.
Write the complete ground-state electron configuration of aluminum.
Calculate the effective nuclear charge on a valence electron in a calcium atom
A single electron in an orbital has quantum numbers n = 2, ℓ = 0, mℓ = 0, ms = +½. What are the quantum numbers for the next electron added to this atom?
Which of the following states that no two electrons can have the same set of four quantum numbers?
Write the complete ground-state electron configuration of Cl⁻
In the photoelectric effect, if the intensity of light shone on a metal increases, what will happen?
Write the complete ground-state electron configuration of Ca²⁺
Which is the correct sequence for these types of radiation in order of increasing frequency.Radio waves; ultraviolet light; infrared radiation; x-rays
Platinum has a work function (Φ) of 6.35 eV. What is the longest wavelength of light, in nm, that will cause the ejection of electrons? (1 eV=1.6 × 10⁻¹⁹ J)
Energy of a photon is ______ proportional to frequency, and _______ proportional to wavelength
How do you find the wavelength (in nm) of blue light that has a frequency of 6.45 × 10¹⁴ s⁻¹? (c = 3.00 × 10⁸ m/s)
Determine the energy, in J, of a photon with a wavelength of 357 nm. (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)
Photons are shone on a piece of metal and one electron is ejected for each absorbed photon. What happens when the wavelength of light is decreased?
What type of light on the electromagnetic spectrum has the highest energy per photon?
Magnetic field strength inside a current-carrying coil will be greater if the coil encloses a
Formula for GPE (gravitational potential energy)
The current produced by a common generator is
The rate at which energy is transferred is
When a magnet is moved into a wire coil, voltage is induced. If the coil had twice as many loops, the voltage induced would be