Red and blue in redshift and blueshift refer to color
a. True
b. False
Indicate whether the statement is true or false
False
You might also like to view...
Briefly explain how astronomers use the Zeeman effect to measure magnetic fields on the Sun
What will be an ideal response?
A car initially traveling at 60 km/h accelerates at a constant rate of 2.0 m/s2. How much time is required for the car to reach a speed of 90 km/h?
A) 30 s B) 15 s C) 45 s D) 4.2 s
The elements in the periodic table which have a single outer s electron are referred to as
A) noble gases. B) halogens. C) alkali metals. D) transition elements. E) none of the above.
A neutron in a nuclear reactor makes an elastic head-on collision with a carbon atom initially at rest. (The mass of the carbon atom is 12 times that of the neutron.) What fraction of the neutron's original kinetic energy is retained by the neutron?
a. 14.4% c. 41.4% b. 28.4% d. 71.6%