Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
An atom \(^{234}_{91} P\) emits a gamma radiation. The resultant nuclide is
\(^{230}_{90} Th\)
\(^{234}_{91} Pa\)
\(^{234}_{90} Th\)
\(^{234}_{89} Ac\)
Correct answer is B
No explanation has been provided for this answer.
Fusion is not usually used for generating electric power because
no energy is released when fusion takes place
very high temperatures are required to initiate fusion reaction
the raw materials needed is not easily available
heavy nuclei are involved
Correct answer is B
No explanation has been provided for this answer.
21
18
15
12
Correct answer is A
\(768 \to 384 \to 192 \to 96 \to 48 \to 24 \to 12 \to 6\)
7 x 3 = 21yrs
4.2 x 108ms-1
1.9 x 108ms-1
4.2 x 105ms-1
1.8 x 105ms-1
Correct answer is A
No explanation has been provided for this answer.
The breaking up of an atomic nucleus into the fragment of nearly equal size is known as
nuclear fusion
nuclear fission
thermonuclear reaction
natural radioactivity
Correct answer is B
No explanation has been provided for this answer.