ideas about the properties and absorption spectra
Q: how does the uncertainty principle lead to the wave nature of light?
A: Scientist Young took light, and shone it through a very narrow slit, and then shone that light…
Q: Of the choices below, photons of which color carry the most energy? orange blue…
A: Ques: Of the choices below, photons of which color carry the most energy? orange…
Q: What type of spectrum is observed in the light from the sun and other stars? a continuous spectrum…
A: The answer is as follows:-
Q: What do you mean by de Broglie wavelength?
A: The wavelength associated with the moving matter is called de Broglie wavelength.
Q: If the wavelength of a photon is doubled, describe what happens to its energy. How would you…
A: The energy E of a photon is given by Planck's equation: E=hf, where h is Planck's constant…
Q: If atoms of a substance absorb ultraviolet light and emit red light, what becomes of the missing…
A: The missing energy may become light of other colors or invisible infrared light.
Q: What is the shortest wavelength present in the Paschen series of spectral lines?
A:
Q: As an object is heated, the peak in its thermal emission spectrum may shift out of the visible part…
A: According to Wien's displacement law λT=a constant
Q: Explain the fluorescence process. Be sure to include an explanation of why fluorescence is always…
A: Fluorescence, a type of luminescence, occurs in gas, liquid or solid chemical systems. Fluorescence…
Q: Convert the hydrogen spectroscope readings to wavelengths. 3. Use the best fit equation to convert…
A: The experimental values of wavelength of each light of hydrogen spectra are;
Q: How much energy is contained in a single photon that has a wavelength of 16.5 nanometers
A:
Q: the glowing gas cloud shown below contains mostly hydrogen excited to emit photons. What kind of…
A: The above figure is an example of emission nebula, which are formed as a result of the interaction…
Q: In a sample that contains hydrogen, among other things, four spectral lines are found in the…
A:
Q: One beneficial effect of ultraviolet rays is A Cancer B Sunburn C Fluorescence
A: Ans: C) Fluorescence Option A and B are incorrect as these are not beneficial effects of ultraviolet…
Q: If a photon has a given wavelength (units of m), how do I calculate its energy in units of joules?…
A:
Q: How do the three primary colors—red, green, and blue—get produced on a cathode ray tube screen
A: On a cathode ray tube (CRT) screen, the primary colors of red, green, and blue are produced by using…
Q: Narrow line spectra are emitted by
A: To discuss narrow line spectra are emitted by which kind of atom.
Q: e the types of absorption take place in the infrared, microwave and UV
A: The principle of absorption spectroscopy refers to the quantity of light absorbed by a solution or…
Q: The purpose of choke in tube light is?
A: When the switch is ON, in a tube light choke is nothing but the coil/ballast ( inductor) which is…
Q: Which has the greatest energy- a photon of infrared light, of visible light or of ultraviolet light?
A:
Q: How do the three primary colors—red, green, and blue—get generated in a cathode ray tube (CRT)…
A: A cathode ray tube is a specialized vacuum tube in which images are produces by the phenomenon where…
Q: If you see a “violet-hot” star, you can be certain its peak intensity is in the ultraviolet range.…
A: Objects start to glow red at about . As they get hotter, they will appear orange, yellow, white and…
Q: How is the peak frequency of emitted light related to the temperature of its incandescent source?
A: From Wien’s law, the relation between temperature and wavelength is:
Q: Is it possible for the first-order spectrum to overlap the second-order spectrum? Explain, assuming…
A: To determine: Is it possible for the first-order spectrum to overlap the second-order spectrum?…
Q: How does an absorption spectrum differ in appearance from an emission spectrum?
A:
Q: In general, how do you calculate the energy of a photon that is needed to move an electron between…
A: All radiations consist of particles called photons, which are quanta or packets of energy. These…
Q: How can the electromagnetic spectrum infer the energies of electrons within atoms and molecules?
A: Answer= •Photons in the UV or apparent scopes of the EM range can have adequate energy to energize…
Q: Why does the light emitted from excited atoms (like hydrogen or other elements) occur at specific…
A: The electrons in an atom can only occupy certain allowed energy levels. This was one of the early…
Q: M.R Consider the pulley-mass system shown in the figure. The block of mass -49 kg. Initially at…
A:
Q: If we continue heating a piece of initially room-temperature metal in a dark room, it will begin to…
A: The metal glows at any temperatures, but it can be clearly visible to human eyes when it reaches in…
Q: lain the difference between a photon of red light and one of violet light in terms of…
A: Electromagnetic spectrum in simple terms is defined as the range of all types of electromagnetic…
Q: Which of the following statements are TRUE about the Sun's spectrum, which is shown in this image?
A:
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