What is the wavelength of light that has a frequency of 3 MHz?
a. 9 × 10^14 Hz
b. 1 × 10^14 m
c. 9 × 10^14 m
d. 100 m
e. 0.01 m
d
Physics & Space Science
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A megaparsec (Mpc) is equal to _____
A) 3.3 thousand ly B) 3.3 million ly C) 3.3 billion ly D) 3.3 trillion ly
Physics & Space Science
Series/Parallel Circuits: Four resistors having resistances of 20 ?, 40 ?, 60 ?, and 80 ? are connected in series across an ideal dc voltage source. If the current through this circuit is 0.50 A, what is the voltage of the voltage source?
A. 20 V B. 40 V C. 60 V D. 80 V E. 100 V
Physics & Space Science
How much work is required to stretch a spring 25.2 cm if its force constant is 12.3 N/m?
A) 0.391 J B) 0.488 J C) 3.10 J D) 1.05 J E) 0.381 J
Physics & Space Science
Novae and Type II supernovae are essentially the same phenomena
Indicate whether the statement is true or false
Physics & Space Science