The first clue to the significance of quasars came from the discovery that some of these "stars" were much stronger radio sources than any normal star
Indicate whether the statement is true or false
TRUE
You might also like to view...
A metal sphere is insulated electrically and is given a charge. If 50 electrons are added to the sphere in giving a charge, how many Coulombs are added to the sphere?
A) -8.0 × 10-18 C B) -8.0 × 10-20 C C) -80 C D) -50 C
Two long parallel wires that are 0.40 m apart carry currents of 10 A in opposite directions
What is the magnetic field strength in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (?0 = 4? × 10-7 T ? m/A) A) 3.3 µT B) 67 µT C) 33 µT D) 6.7 µT
Assuming the frequency remains constant, a monochromatic light ray is transmitted through an glass-to-air boundary, what happens to the wavelength?
a. decreases c. increases b. approaches zero value d. remains unchanged
The ozone layer absorbs infrared radiation from sunlight
Indicate whether the statement is true or false