Physics, 10.07.2019 22:30 jennychrin95
Black-body radiation as a photon gas consider a radiation cavity of volume v at temperature t. bose treats the cavity radiation as an ideal gas of photons in thermal equilibrium. a photon gas is an ideal boson gas with zero chemical potential because their number is not conserved. the energy of a photon is proportional to the frequency of the radiation: e = hw and the density of states in w space is: d(w) = w2 t (a) write down the energy density spectrum u(w, t) as a function of w and t (or b). (b) show that the total energy density w(t) scales as u (t) = ato and find b. (c) let wmax be the angular frequency at which the energy density u(w, t) reaches its maximum, shows that wmat t.
Answers: 1
Physics, 22.06.2019 05:30
Will give brainliest! which statement best describes the similarities between fundamental forces? electromagnetic and strong nuclear forces influence the interaction between charged particles within an atom. gravitational and magnetic forces are both types of charges that occur in nature. nuclear and magnetic forces are both related to mass and weight. strong nuclear force is most like electrical force because they are both related to distance.
Answers: 3
Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 22.06.2019 11:00
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Physics, 22.06.2019 14:10
Amachinist turns the power on to a grinding wheel, at rest, at time t = 0 s. the wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 96 rad/s. the wheel is run at that angular velocity for 40 s and then power is shut off. the wheel slows down uniformly at 1.5 rad/s2 until the wheel stops. in this situation, the time interval of deceleration is closest to:
Answers: 3
Black-body radiation as a photon gas consider a radiation cavity of volume v at temperature t. bose...
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