Q-22: What is meant by term matter waves? Why we can not observe it in our daily life? (**)
Q: Which Feynman diagram could show an electron emitting a photon. ?
A:
Q: Give examples of baryonic matter.
A: In astronomy baryonic matter are those matter which are made up of protons neutrons and electrons.…
Q: What is Boltzmann constant? Give its value?
A: Boltzmann constant: It is a thermodynamic physical constant that connects average kinetic energy of…
Q: zicle is shown by the Feynmanı ow heads in the pion? *
A: Given: In the Feynman diagram, the correct diagram representation is given as,
Q: What is a virtual particle?
A: A virtual particle is transient change in energy in a point in space, it is not a particle it is…
Q: Briefly explain the degenerate matter.
A: Given:Briefly explain the degenerate matter.Now,Degenerate matter refers to states of matter…
Q: What is the wavelength of the most energetic photon that can be emitted from a muonic atom with Z=1?
A: The electron on gaining energy becomes excited. They then jump from lower orbit to higher orbit. It…
Q: diation density and m
A: The conditions and the assumptions as,
Q: What capacitance (in nF (10 F) is needed to store a charge 4.54 µC charge at a voltage of 123 V?
A: Concept used: Capacitor is used to store charge. Capacitance describes its capacity to store…
Q: What is the significance of the Boltzmann distribution?
A:
Q: Briefly describe the origin of diamagnetism in a free atom?
A: An atom whose properties are not affected by other atoms is called a free atom. An atom, having no…
Q: How to calculate K from first principles of Boltzmann statistics ?
A: The Boltzmann constant (kB or k) is the proportionality factor that relates the average relative…
Q: Show that in matter dominated universe density behave as p x (1+z)3 , in radiation dominated as px…
A:
Q: Describe the Feynman diagram for the exchange of a between a proton and a neutron.
A: When a proton decays into a neutron then an exchange particle is W+ And the other products are…
Q: Virtual particles are always created in pairs. What is the main similarity and difference between…
A: Virtual particles are fluctuations in quantum fields that are thought to exist for very short…
Q: Define the term Boltzmann constant?
A: The expression of Boltzmann constant is: kB=R/NA ……….(1) Here, kB is the Boltzmann constant, R…
Q: Give the peak wavelengths, λpeak, for each of the following cases. State which portion of the…
A: Given,
Q: What is Stefan-Boltzmann constant? What is its value?
A: Stefan-Boltzmann law states that the total radiant heat energy emitted from a surface of the source…
Q: (a) What is the most likely type of interaction of the anti-electron neutrinos with the detector…
A:
Q: What is the maximum energy, maximum frequency and minimum wavelength associated with an 6MV beam?
A:
Q: If the universe had a density equal to the critical density (a flat universe) and the Hubble…
A: Everything is contained within the universe. It includes all of the space as well as all of the…
Q: Pm (r) = 4
A: Given as, The radius of the magnetized sphere is given as, R. The magnetic flux is given as,
Q: what are feynmens diagrams in semiclassical physics?
A: SOlution: to describe about Fynmens diagram
Q: Robert Dicke assumed the Cosmic Microwave Background Radiation temperature to be: a) 3 degrees K…
A: Robert Dicke assumed the Cosmic Microwave Background Radiation temperature to be: ANSWER IS OPTION A…
Q: the EMF induced in w with the minus si
A:
Q: Today we view the collisions between high-energy particles, why? please explain
A: we view the collisions between high-energy particles beacuse of the following reasons :-
Q: The rest wavelength of the Hα transition of atomic hydrogen is 656.3 nm (recall that 1 nm=10-9 m).…
A:
Q: Show that in matter dominated universe density behave as p c (1+z) , in radiation dominated as px…
A:
Q: a process wherein two photons interact together to form a matter and its corresponding anti-matter
A: In 1932, Anderson in his experiment with cloud chamber observed that when a nucleus absorbs…
Q: Write one sentence describing how volume and pressure are related in terms of light particles.
A: The pressure (P) and volume (V) are the physical parameter to desribe the state of the particles.…
Q: A 5 micron droplet of water is being carried in standard air toward a 500 micron drop of water at a…
A: Given, Let the two water drops are A and B and their velocities va and vb. If two drops are…
Q: Is there other evidence of the Big Bang besides the well-documented red shifts?
A: Introduction: The Big Bang model describes how the universe expanded from an initial state of high…
Q: 46 Figure 44-12 is a hypothetical plot of the recessional speeds v of galaxies against their…
A:
Q: The spectrum of the sodium atom is detected in the light from a distant galaxy. (a) If the 590.0 nm…
A: Part (a) Given: The wavelength of spectrum line is λs=590.0 nm. The shifted wavelength of spectrum…
Q: Why don’t we notice length contraction in everyday life?
A: This is a question from relativity. Length Contraction: This is the phenomenon in which a moving…
Q: Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation…
A: For example, we are present in Washington , DC, USA. So, Today's (04/11/2021) temperature is T =…
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