Which of the following statements is true of nuclear fission?
Heavy nuclei combine to form new element
Protons are used in bombarding heavy nucleus
The sum of the masses of the products is greater than the mass of the original substance
Two light nuclei are made to combine to form a heavy nucleus
Very large amount of energy is released.
Correct answer is E
No explanation has been provided for this answer.
boiling
critical
dew
ice
steam
Correct answer is C
No explanation has been provided for this answer.
7.2 × 108NC-1
1.8 × 108NC-1
5.6 × 108NC-1
3.6 × 108NC-1
1.5 × 106NC-1
Correct answer is A
No explanation has been provided for this answer.
1.60s
1.70s
1.73s
1.78s
5.11s
Correct answer is B
No explanation has been provided for this answer.
Which of the following is NOT an example of a percussion instrument?
Bell
Drum
Flute
Gong
Xylophone
Correct answer is C
No explanation has been provided for this answer.