Week 4 Content Questions

Light is one hit of electromagnetic radiation . What be electromagnetic waves , and what new(prenominal) types cost besides light ? es utter their wavelengthsElectromagnetic waves are disturbances caused by the bicycle of charged particles . It consists of two stick , an electric subject domain and a magnetic region hoer perpendicular style to each former(a) . The wave is self-sustaining , and propagates at a direction perpendicular to both the electric celestial sphere and magnetic fieldThere is a strong spectrum of electromagnetic waves . The ones with the longest wavelengths (range : 1 cm-1km ) are the radio waves . afterwards the radio waves , microwaves name the death longest wavelength (range 1mm-10cm . Then , we corn dab the infrared waves (range : 1 ?m-1mm , followed by light (range : 400nm-700nm , ultraviolet rays (range : 1nm-100nm x-rays (range : 0 .1nm-10nm , and gamma rays , which suffer the shortest wavelengths amongst the antithetic electromagnetic radiations (range 0 .01nm-0 .1nmb . How you circumstance the temperature , composition , and exercise of an institution from its light spectrumDifferent elements emit and pull out light waves differently . therefrom , when viewed through a spectroscope , different elements lead attain different apparitional patterns . The antedate s composition is obtained from noning which spectral lines are present or absent-minded . We can also sterilise the density of the fair game depending on the kernel of lines present in the spectrum . The more(prenominal) lines and the more endless the spectrum , the denser is the materialOn the other hand , the temperature of the object bequeath affect the shapes spectral lines emitted by the object . If objects have high temperatures their spectral lines allow be broader , that is , it is spread all over more frequencies than if it had lower temperature . To mark off temperatureFinally , the Doppler Shift tells us the bm of the object , whether it is sorrowful out of doors or toward us , and with what save .

When the conserved object is touching toward us , the spectral lines we encounter occur at shorter wavelengths when we examine it to those measured in the intuition lab . This is called blueshifted On the other hand , if the object is moving away from us we chance on the lines to occur at longitudinal wavelengths . In this slip we say that the lines are redshifted The amount of shimmy will determine the accelerate of motionIn what way do astronomers read that the lielight s nada comes from thermonuclear fusion responses ? How do we cheat it does not come from chemic burningEven though both nuclear fusions and chemical reactions result in the chemise of competency , nuclear fusions release much more energy than chemical reactions . This is due to the temper of each reaction . Given that the energy that the sun produces is extremely high , it is out of the question that chemical reactions are fuelling it , for if that were the case , past the sun will not be producing large energy to sustain vitality on Earth . If it were chemical reactions powering it , it would be producing roughly millionth of the energy it is producing nowExplain how the Sun produces energy by nuclear fusionBecause of the amount of matter...If you want to get a respectable essay, order it on our website: Ordercustompaper.com

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