According to the theory of Photoclectric effect, the energy of a photon depends on its frequency. Which one will have highest energy of a photon? A. red light B. yellow light C. green light D. blue light E. all have the same energy
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- The photoelectric effeet tells us that A. electrons have a wave nature. B. light has a particle nature. C. a photon can be converted into an electron. D. electrons are the conductors in metals.What is a photon?a. light that comes from a cathode ray tube b. a high speed electron that gives off light when it strikes an object c. very high frequency lightd. very long wavelength lightIf the intensity of a light source is increased while the frequency and the metal surface remain the same, which of the following will occur? a. Electrons will be emitted at an increased rate with more average energy per electron. b. Electrons will be emitted at the same rate with the same average energy per electron. c. Electrons will be emitted at the same rate but with less average energy per electron. d. Electrons will be emitted at the same rate but with more average energy per electron. e. Electrons will be emitted at an increased rate with the same average energy per electron.
- What is the essential difference between gamma rays and green light? A. Gamma rays have an electric field, green light do not. B. There is no essential difference in the nature of gamma rays and green light other than he difference in frequency and wavelength. C. Greenlight undergoes refraction, gamma rays I do not D. Gamma rays are a form of radiation, green light is not E. Greenlight is the beam of photons, gamma rays are not photonsCalculate the frequency of radiation for sodium vapor lamp used in public lighting systems that has a wavelength of 599nm. If the lamp gives off yellow light, what color of light is primarily being absorbed? Calculate the energy of one photon for this wavelength.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 triple