Which element has the lowest mass per nuclear particle and therefore cannot release energy by either fusion or fission?
A) hydrogen B) iron C) oxygen D) silicon
B
You might also like to view...
Total Internal Reflection: A light beam is traveling inside a glass block that has an index of refraction of 1.46. As this light arrives at the surface of the block, it makes an angle of 53.0° with the normal. At what angle with the normal in the air will it leave the block?
A. It will not leave. B. 59.1° C. 43.2° D. 33.2°
Consider two transformers. Transformer A has 300 turns on its primary and 500 turns on its secondary. Transformer B has 250 turns on its primary and 1000 turns on its secondary
The same voltage is supplied at the primary of both transformers. The secondary voltage in transformer A has an amplitude V = 50 V. What is the amplitude of the secondary voltage on transformer B? A) 120 V B) 2400 V C) 1200 V D) 60 V E) 240 V
What is the lowest frequency that will resonate in an organ pipe 1.00 m in length, closed at one end? The speed of sound in air is 340 m/s
a. 42.5 Hz c. 170 Hz b. 85.0 Hz d. 680 Hz
Which of the following best describes the distribution of the dark matter in a spiral galaxy?
A) approximately spherical and about the same size as the galaxy halo B) approximately spherical and about 10 times the size of the galaxy halo C) flattened in a disk and about the same size as the stellar disk D) flattened in a disk but about 10 times larger than the stellar disk E) predominantly concentrated in the spiral arms