In this lesson, we will learn how to calculate the Schwarzschild Radius of a black hole and identify features of black holes.

Q1:

Which of the following statements correctly describes what is meant by accretion when referring to black holes?

Q2:

Calculate the Schwarzschild radius for an object that has the same mass as the Sun. Use a value of 1.99×10 kg for the mass of the Sun, 3×10 m/s for the speed of light, and 6.67×10 m^{3}/kg⋅s^{2} for the universal gravitational constant. Give your answer in kilometers to one decimal place.

Q3:

Which of the following is the correct description of the event horizon of a black hole?

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