What is Photoelectric effect? And its fundamentats?
Q: Define Photoelectric Emission.
A: Photoelectric emission can be defined as a phenomenon in which electrons are emitted out of the…
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: Ultraviolet bulbs have a quartz envelope instead of glass?
A:
Q: How do photons compare to electrons? What's different? Photons massless? Are they charged? Can they…
A: Photons and electrons are two fundamental particles in the universe, but they different several ways…
Q: how infrared spectroscopy work?
A: Answer Infra red spectroscopy used infra red radiation to excite the molecules.
Q: What is electromagnetic spectrum and why is it useful?
A: The electromagnetic spectrum is the classification of the electromagnetic waves based on the…
Q: How are Ultraviolet waves produced?
A: Ultraviolet radiation is generated naturally from the Sun and artificial sources such as…
Q: Astronomy question: Which light can we only observe from space? lights: Viciblo
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Q: Considering infrared light and ultraviolet light, which has the (a) longer wavelength? (b) higher…
A: Energy for a given frequency v is given as E=hν (1)
Q: Why do you think that ultraviolet radiation causes a suntan whereas infrared radiation dies not?
A: The ultraviolet rays are damaging because they can cause damage to skin cells. It can cause…
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: Why infrared radiations are used for photography in dark?
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Q: Why does the wavelength response of the human eye match the visual window of Earth's atmosphere so…
A: Most of the electromagnetic spectrum that reaches Earth is from the Sun. They are made of tiny…
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: How do the surface temperatures of reddish, bluish, and whitish stars compare?
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Q: In what ways are microwave and ultraviolet radiation thesame? In what ways are they different?
A: Microwave and ultraviolet radiation both are electromagnetic waves. velocity of both waves in a…
Q: Discusss the relevance of electromagnetic spectrum to multispectral satellite Remote sensing of…
A: Remote sensing: Remote sensing is a technique to detect or study about characteristic of those…
Q: Explain what is meant by spatial quantisation?
A: Solution given in next step
Q: What is the photoelectric effect?
A: Photoelectric effect can be best understood by the photoelectric effect experiment. Photoelectric…
Q: How does the lifetime of a typical CFL compare with that of an incandescent bulb?
A: The compact fluorescent lamps are more efficient than incandescent lamps. They put about four times…
Q: What is a photoresist?
A: A unique subset of stimuli-responsive materials that alter in response to light exposure are…
Q: Name three ways that the 'em spectrum was impactful?
A: Introduction: Electromagnetic (EM) spectrum is defined as range of all electromagnetic radiations…
Q: Choose the BEST answer to the following: The model of light supported by the photoelectric effect is…
A:
Q: Why does the sun’s radiation output match that of a blackbody?
A: Introduction:Black body radiation is the warm electromagnetic radiation inside or encompassing a…
Q: Choose the BEST answer to the following. The energy of an emitted photon is related to its (a)…
A: Max Planck formulated that light is emitted in small packets which he named ‘quanta ‘which were…
Q: Why can’t we see stars in the daytime?
A: The light-scattering properties of our atmosphere spread sunlight across the sky, hence Stars…
Q: Choose the BEST answer to the following: The energy of an emitted photon is related to its (a)…
A: An atom emits a photon of light when an electron jumps from a high-energy level to a low energy…
Q: how do color influence radiation energy( specifically Temperature) and how is energy lost?
A: Color temperature is a range which is related to the color of light emitted by an object to its…
Q: To what color of light are our eyes most sensitive?
A:
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