Use the known lifetime of the universe to determine the mass of a black hole that would evaporate all its mass during that time.
Q: Calculate the gravitational redshift of radiation of wavelength 550 nm (the middle of the visible…
A: The gravitational redshift is given by the formula, z=11-2GMc2r-1 where, G is the gravitational…
Q: A cosmic particle is traveling with a speed 0.77 times the speed of light. What is the Lorenz factor…
A: Let the speed of cosmic particle be V m/s And the speed of light be C m/s It is given that... V =…
Q: Mass may vary depending on the location in the universe, hence it may be affected by the force of…
A: In this problem, we have to discuss that the given statement is true or false.
Q: According to General Relativity theory, if a space probe was to pass very close to a massive Black…
A: According to General Relativity theory, if a space probe was to pass very close to a massive Black…
Q: State the difference between special relativity and general relativity.
A:
Q: Write the Lorentz contraction formula?
A: The Lorentz contraction formula in relativity theory relates the length L of an object moving at a…
Q: In the experiment of Pound and Rebka, a 14.4-keV gamma ray fell through a distance of 22.5 m near…
A: Photons are affected by gravity. Their kinetic energy will be reduced by an increase in the…
Q: ith derivation.
A: Given: A magnetic field exerts in the moving charge and the current carrying the conductor. These…
Q: Is the event horizon of a black hole the actual physical surface of the object?
A:
Q: Will the Higgs-Boson particle create a black hole and destroy the Earth
A: No, it will not create a black hole and certainly not big enough to destroy the earth.
Q: Why primordial black holes are thought to be extinct?
A: Black holes are formed due to the gravitational collapse of massive stars when the fusion inside the…
Q: Describe the Einstein’s Postulates?
A: There are two possible Einstein’s Postulates,Postulate 1: All the laws of physics can be represented…
Q: Is the mass of an object constant at all points in the universe?
A:
Q: In 1998 a galaxy named RD1 was discovered with a redshift of 5.34. (a) What is the speed of this…
A: (a) It is given that z=5.34 , 1+β1-β=1+z Squaring both sides, 1+β1-β=6.342 =…
Q: Let's say a spaceship is approaching Sagittarius A*. How close to this black hole must the spaceship…
A: The formula for gravitational time dilation is given by t=t01-2GMrc2 here, t=time in the…
Q: The observed frequency of radio waves from a distant galaxy is 5 GHz. At the location of the galaxy,…
A: When the source of electromagnetic radiation moves away from the observer the frequency will…
Q: Give the direction of the Lorentz force for the following charges moving through a magnetic field.…
A: Lorentz force is the force experienced by a moving charged particle when it is introduced into a…
Q: Why haven't we detected any Primordial black holes?
A: Primordial black holes or PBH are black holes that formed soon after the birth of the universe. The…
Q: Given the possible sources of gravitational waves in the universe, would you expect them to have…
A: Gravitational wave radiated by a charged particle will be weaker than the electromagnetic wave…
Q: Calculate the observed wavelength of a source moving away from Earth if its redshift parameter is…
A: When a source of light is moving away from the observer the wavelength of the light observed will…
Q: A galaxy is observed to be at 10.0 Mpc from Earth. If it is receding at 520 km/s, calculate the…
A: Edwin Hubble in his observations found that the galaxies were moving away from us instead of getting…
Q: Whether infinite density of Black Hole proves that amount of Energy present in our Universe is…
A: The two points are nothing to do with each other. It is true that a black hole is a very dense…
Q: Albert Einstein's original field equation would have been able to theoretically have predicted the…
A: Albert Einstein, in 1916 published his great theory of General Relativity which described gravity as…
Q: What is an algebraic expression for the Lorentz factor γ (gamma)? Why is never less than 1 ?
A:
Q: Write out the shared characteristics of Galilean (Newtonian) and Special Relativity without…
A: Give: An inertial frame of reference is one that does not experience acceleration, while a…
Q: the Sun were to become a black hole at what distance will the escape veloc
A: The distance at which the escape velocity of a black hole becomes the speed of light is called the…
Q: The satellite's controllers are attempting to establish contact with the satellite, which is about…
A:
Q: Explain Lorentz transformstions.
A:
Q: Do not go into depth about the similarities and differences between Galilean (Newtonian) and Special…
A: Galilean invariance or Galilean relativity states that the laws of motion are the same in all…
Q: Make an detailed mathematical derivation of general relativity field equations
A: The Einstein Field Equation (EFE) is also known as Einstein’s equation. There are ten nonlinear…
Q: Explain the expected fate of the universe in entropic terms.
A: The expected fate of universe will be thermodynamic equilibrium.
Q: If you were to travel to a star 180 light-years from Earth at a speed of 2.50 x10°m/s, what would…
A:
Q: Why are gravitational waves so difficult to detect?
A: An invisible ripple in the space, which is traveling at the speed of light is known as gravitational…
Q: If we view events occurring on a star that is collapsing to become a black hole, do we see time…
A:
Q: State the postulates of Special Relativity and their consequences.
A: The first postulate of special relativity is the idea that the laws of physics are the same…
Q: The redshift parameter for a star is found to be 5.2. The spectrum of the star should have a…
A: When there is relative motion between the source and observer there is a change in the frequency of…
Q: Calculate the temperature of the black hole with the same mass as moon. (7.3 × 1022 kg)
A: Given Mass of the block hole M = 7.3×1022 kg Find the temperature of the black hole, as following…
Q: Calculate the gravitational redshift of radiation of wavelength 550 nm (the middle of the visible…
A: As per general relativity, gravity affects light. Lights energy will depend on the gravitational…
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