Why Sun is Yellow?

Q: Calculate the radiance of a 4,456-K blackbody at a wavelength

A: Given data: Temperature, T=4456 K Wavelength, λ=632 nm=632×10-9m Known data: Planck's constant,…

Q: Distinguish between radiative- and non-radiative transitions and give an example of  each.

A: radiative transition :-  Radiative transitions involve the absorption of a photon, if the transition…

Q: . True or False: A continuous spectrum consists of ablending of colors. ___________

A: By the experiment carried out by Newton, he observed dispersion of white light when it passes…

Q: What is Emission spectrum and absorption spectrum?

A: Emission spectrum: When energy is absorbed by electrons of an atom, electrons move from lower energy…

Q: How does light relate to the electromagnetic spectrum?

A: Electromagnetic wave is the wave of electromagnetic field. The electromagnetic wave has electric and…

Q: Which of the following electron transitions will emit a photon in the visible spectrum

A:

Q: All objects radiate energy. Why, then, are we not able to see all the objects in a dark room?

A: All the objects emit electromagnetic radiation. Our eyes can see visible lights only, which have…

Q: What is spectral properties of indigo?

A: The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can…

Q: photon

A:

Q: Define photocell.

A: A device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a…

Q: We usually associate fluorescence with ultraviolet light— objects glow under “black light.” But it’s…

A: We usually associate fluorescence with ultraviolet light objects glow under "black light" But it's…

Q: Is it necessary that that every black coloured objects should be considered a blackbody?

A: A perfect black body is a body that absorbs all the radiation that falls on it.

Q: Explain how the emission spectrum provides information about the composition and properties of an…

A:

Q: Light, X-rays, and radio waves are all members of the___________ spectrum

A: The spectrum of electromagnetic is a band of frequencies, for the waves in the electromagnetic…

Q: Who was the first person to obtain the spectrum of sunlight?

A: In 1666, Sir Issac Newton performed prism experiment to obtain the spectrum of sunlight. In his…

Q: Find the surface temperature of a star that .17 radiates as a black body with a peak * .wavelength…

A: Given that,  The maximum or peak wavelength of the radiations, λmax is 970 nm.

Q: Describe the photoelectric effect and why it was relevant to the development of our understanding of…

A: Introduction : Photoelectric effect was discovered by Einstein in 1905.

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: How does the difference in energy levels relate to energy of the photon that is emitted by a…

A: The energy of a photo emitted during transition between two energy levels will be equal to the…

Q: How does an absorption spectrum differ in appearance from an emission spectrum?

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Q: Why does a sodium street lamp give off a different color light than a neon light?

A: Sodium street lamp gives off yellow color, while a neon light gives of a red color.

Q: Define an idealized blackbody

A: As per bartelby guidelines, only one question can be solved, kindly post the others separately.

Q: explain the spectrum of light?

A: Light can occur at any frequency or wavelength. Light can occur in any combination of frequencies…

Q: Explain what phosphorescence is and how it differs from fluorescence. Which process typically takes…

A: Answer  Fluorescence is the phenomenon if absorption of energy by molecule or atom and instant…

Q: What happens to an electron when it emits a photon?

A: When an electron jumps from one energy level to another energy level which is lower than the…

Q: The light that kill germs and used to sterilize medical instruments is O Visible. O UV. IR. Laser.

A: A light ray is an idealized model of light that is drawn as a straight line in physics (and optics).…

Q: xis is the electric field produced by the particle

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Q: What is electron emission?

A:

Q: The meter was once defined as 1 650 763.73 wavelengths of the orange light emitted by a source…

A: Basic Details The photon energy of the light depends on the planks constant, the speed of light and…

Q: A very bright source of red light has much more energy than a dim source of blue light, but the red…

A: Red light and blue light

Q: If you pass sunlight through a spectroscope you will see a(n)______________spectrum which can tell…

A:

Q: Elements at the Sun's surface are revealed in the solar spectrum. Are the lines in the spectrum…

A: Elements of the Sun’s surface are revealed in the solar spectrum.

Q: How is the energy of a photon related to its vibrational frequency?

A: The energy of a photon is given by

Q: When photons of sunlight. O Hole Photon Pairs

A:

Q: Does an atom have a color?

A: Atoms unlike molecules do not have colors. We can’t see color of atoms not because they are too…

Q: What is fluorescence

A: Answer Fluorescence is a molecular phenomenon in which a substance radiates light energy…

Q: We can heat a piece of metal to red-hot and then to white-hot. Can we heat it until the metal glows…

A: Yes, metal can glow blue- hot as temperature of metal increases.

Q: What do you mean by x-ray crystallography?

A: X-ray crystallography is an experimental science used to determine the molecular and atomic…

Q: What is ultraviolet light?

A:

Q: Since every object has some temperature, every object radiates energy. Why, then, can’t we see…

A: Every object radiates energy

Q: If the blue and orange light of a black body were blocked what colors would now be present in the…

A: blue and orange light of a black body were blocked

Q: What do you understand by term spectrum?

A: Spectrum is attributed to a specific set of values that varies across a continuum.

Q: Properties of Ultraviolet Waves

A: Following are the properties of ultraviolet waves: The wavelength of ultraviolet waves is -1 x 10-8…