Determine how much time a black hole having 3 solar masses will take to radiate its energy.
Q: Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b)…
A: Answer:- Option (b) correct. Singularity
Q: TRUE OR FALSE A Black Hole’s singularity has zero radius yet can accommodate infinite mass.
A: SOlution: Is black hole has zero singularity and yet capable of taking all the mass inside.
Q: hat is the mass of a black hole with a Schwarzschild Radius of 1 AU? Please show w
A:
Q: true or false A supernova core with a mass 2X that of the Sun produces a Black Hole
A: The Sun need to be concerning 20X additional large to finish its life as a black hole. Stars that…
Q: If the radius of the neutron star is 85.074 km, what is the average density of a neutron star that…
A: mass of the sun, Msun=1.989×1030 kg Radius of the sun, R=85.074 km Volume, V=43πR3
Q: How can a black hole emit X-rays?
A: Black holes are regions of high gravity in spacetime. Once a black hole is formed it will start…
Q: 2) What happens when one of the star ina binary system becomes a black hole.
A: Binary systems are two astronomical bodies that orbit each other around a common center of mass. If…
Q: How massive would a black hole have to be to have an event horizon the same size as the Earth?…
A: .
Q: A black hole is a blackbody if ever there was one, so it should emit blackbody radiation, called…
A: The total energy is given by: E=MC2 The surface area is given by: A=16πG2M2c4 The temperature is…
Q: What type of explosion occurs when a black hole is born? Group of answer choices Gamma-ray Burst…
A:
Q: Calculate the mass of black hole with a radius of 20 km.
A: For a blackhole, the radius of the event horizon or the point of no return is defined as the…
Q: Place the large black ball (black hole) in the center of the sheet. Experiment with different sized…
A:
Q: 1.0 0.8 0.6 Cosmic background data from COBE 0.4 0.2 0.0l 0.5 10 Wavelength A in mm c) The left hand…
A: from the graph, the maximum intensity of radiation is at λ=1 mm. From Wein's law, we have…
Q: An AGN is emitting with a luminosity of 2×1040W. The AGN's brightness varies by 10% on a time scale…
A: GivenAn AGN is emitting with a luminosity of 2×1040W. The AGN's brightness varies by 10% on a time…
Q: 25) To what size the Earth should shrink to become a black hole?
A: Schwarzschild radius is the limit to which a body can shrink before undergoing irreversible…
Q: Electric flux coming out of a single Na+ ion is _________ Nm2C-1 a) 1.8*10-8 b) 1.8*10-10 c)…
A: A
Q: Determine the radius of a neutron star with a mass of 2 solar masses.
A: Neutron stars are formed when massive stars die. A star is formed due to the balance between…
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: The H-alpha line from a star is observed to be 725 nm. Estimate its redshift.
A: As per De Broglie's hypothesis light can behave both as a wave and particle. Thus light waves can…
Q: A Black Hole gets its name because it is the remains of a massive black star. True False
A: When the massive stars collapse, then the black hole is produced. It absorbs all the mass and light…
Q: Is the event horizon of a black hole the actual physical surface of the object?
A:
Q: Calculate the size to which the Sun should shrink to become a blackhole.
A: The limit to which an object can shrink without undergoing gravitational collapse is called…
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: Why is a black hole invisible?
A: A black hole is a region in space where the pulling force of gravity is so strong that light is not…
Q: Why black holes are difficult to observe directly?
A: In supernova the collapse of massive stars core form a black hole. In space , a Black hole is a…
Q: An x-ray photon escapes the accretion disk of a black hole of 5 solar masses and a radius of 14.7…
A: As per general relativity due to space-time curvature, the frequency of the photon will reduce as it…
Q: What causes X-ray emissions in a binary system of a star and a black hole?
A: A binary system is two gravitational bodies orbiting each other with a common center of mass. 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: Which of the following observatories is most likely to discover a black hole in a binary system? A.…
A: A binary system is defined as a system in which two objects revolve around each other, having a…
Q: How can we “observe” a black hole if neither matter nor radiation can escape from it?
A: Given: Black hole
Q: Use the Schwarzchild formulaRs =2GM / c2whereRs = Radius of the star, in meters, that would cause it…
A: Given: Mass of the sun = 2 x 1030 kg.
Q: Calculate the mass of a black hole at room temperature.
A: Black holes are regions of space-time where the gravity is very large that nothing, not even light…
Q: an introduction on what is the event horizon of a black holes?
A: The occasion horizon of a black hollow is a essential idea in astrophysics that marks the boundary…
Q: How do black holes form?
A:
Q: a) Calculate the Schwarzschild radius of a person of mass 80 kg. Compare this to the size of a…
A:
Q: 28) How accretion disk surrounding the black hole helps in its detection?
A: Black holes are generated when supermassive stars die. The gravitational collapse is so large that…
Q: What would happen if you were to jump feet first into a black hole?
A: If we jumped in feet first into a blackhole, we would be torn into pieces via the process of…
Q: The first gravity wave was detected by LIGO in Sept 2015. What caused this gravity wave? Group of…
A: LIGO is Laser Interferometer Gravitational-wave Observatory. It is the world's largest gravitational…
Q: The radius at which nothing can escape the pull of a black hole is called the ________.
A: The radius at which nothing can escape the pull of a black hole is called the Schwarzschild radius.
Step by step
Solved in 3 steps
