Calculate the energy of the photon having a wavelength of 500 nm. O point
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- 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 double b. it would triple c. it would quadruple d. it would become one-fourth as much e. it would become half as muchWhile being X-rayed, a person absorbs 3.9x10-³ J of energy. Part A Determine the number of 40,000-eV X-ray photons absorbed during the exam. n = ——| ΑΣΦ Submit Request Answer www P ?5. a) A monochromatic light of wavelength 450 nm is incident on a metal surface in a vacuum tube. i. Calculate the energy of photon. ii. If the maximum wavelength of the light to release the electron iii. Calculate the maximum kinetic energy (in electron volts) of the photoelectron emitted with a light of wavelength 450 nm.
- The photoelectric effect is when light knocks electrons off the surface of a material. If you're shinning light on a surface and electrons are being knocked off, what could you change about the light so that it would stop knocking electron off? O Reduce the frequency of the light. O Increase the amplitude/intensity of the light. O Increase the frequency of the light. O Reduce thc wavelength of the light.Helium was first discovered when astronomers viewed the spectrum from the Sun and could not associate absorption lines associated with any terrestrial element. One wavelength that was strongly absorbed was 587.5 nm (1 nm = 1.0×10-9 m). What is the energy associated with this wavelength of light? a. 1.06 eV (or 1.70×10-19 J) b. 0.943 eV (or 1.51×10-19 J) c. 2.11 eV (or 3.38×10-19 J) d. 0.472 eV (or 7.57×10-20 J)c) Max Planck proposed his constant h to relate the energy of a photon to its frequency. Calculate the energy in eV of red light of wavelength 620 nm.