A compact object with a mass of 4 solar masses must be a black hole
a. True
b. False
Indicate whether the statement is true or false
True
You might also like to view...
______________ is defined as the angular measurement, in degrees, east or west of the Greenwich, or prime, meridian
a. The equator b. The International Date Line c. Latitude d. Longitude
A guitar is perfectly tuned. The tension on its strings is then increased. Which of the following is true?
A. The speed of sounds from the guitar is larger than before B. The frequencies of sounds from the guitar are higher than before C. The wavelengths of sounds from the guitar are longer than before D. The amplitudes of sounds from the guitar are larger
Which particle in the free state is least stable?
a. electron c. photon b. neutron d. proton
Most of the visible light from the sun originates in the photosphere
Indicate whether the statement is true or false