Hubble's Law (also known as the Hubble-Lemaitre Law) can be restated as:
A. The mass-to-light ratio of a spiral galaxy is greater if its rotational velocity is also greater.
B. The more distant a galaxy, the faster it is receding.
C. The rotation curve of a galaxy is related to the amount of mass inside.
D. The velocity curves of spiral galaxies only make sense if there exists a lot of unseen matter.
Ans: B. The more distant a galaxy, the faster it is receding.
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Answer the following statement true (T) or false (F)
A circuit consists of N resistors, all of resistance R, connected as shown below. A potential difference V is applied to the circuit. The equivalent resistance of the circuit is
A.
.B.
C.
.D.
E.
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What will be an ideal response?