27) Calculate the time it would take for 1 solar mass black to radiate its energy. pont
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: A black hole is called so because it is a hypothetical object. a) True b) False
A: True or False: A black hole is called so because it is a hypothetical object.
Q: An isolated black hole in space would be difficult to detect because a. there would be no light…
A: Black hole is a place in space-time where gravity pull is so strong that no matter can escape from…
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: man walks2.30 km south and then 2.75 km east, all in 2.80 hours (a) What is the magnitude (in km)…
A: Given, A man walks 2.30km south and 2.75km east. Time, t=2.80hours a. Displacement, d =2.302+2.752…
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: 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: 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: es are detectable by their accretion disks producing mainly what type of light? a. infrared light…
A: Detection of black holes : Black holes are surrounded by material gas and funnelled by gravity into…
Q: Suppose you drop a clock toward a black hole. As you look at the clock from a high orbit, what will…
A: A block hole is an interstellar object that has a very large gravity associated with it. A block…
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: search for observational evidence of black holes began in the early a. 1890s. b. 1930s. c.…
A: Observational evidence of black holes : Black holes was first predicted by Albert Einstein in 1916 .…
Q: Black hole candidates are conspicuous by their continuous or flickering emission of a. infrared…
A: Introduction: A black hole is a region where gravity is so strongest that nothing can even particles…
Q: What does a black hole sound like?
A: Black hole is a heavenly body.
Q: Five astronauts (A - E) are watching a star collapse to form a black hole. Which of the flight plans…
A: Required: Which observers are moving faster than light.
Q: ____ occurs when light travels out of a gravitational field, loses energy, and its wavelength grows…
A: A gravitational redshift occurs when light travels out of a gravitational field, loses energy, and…
Q: Name the chemicals leading to the formation of black hole.
A: Black holes are formed when highly massive stars are collapsed at the end of their life cycle. After…
Q: The Schwarzschild radius for a given black hole defines a sphere, from which escape is impossible,…
A: Given: The Schwarzschild of the given blackhole is RS = 2GMc2 Here G is the universal gravitational…
Q: If the sun has a Schwarzschild radius, why isn't it a black hole?
A: Every object with a mass has a minimum size to which it can shrink before it undergoes irreversible…
Q: Which of the following objects is considered to possibly contain a black hole? a. the central…
A: LMC X-3 possibly contain a black hole
Q: What is a black hole?
A: It is a large amount of dense matter concentrated in a small region of space with incredibly intense…
Q: What evidence can you cite that black holes really exist?
A: Black holes are regions of high gravity in spacetime. They are so strong that even light cannot…
Black hole
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