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.
\(^{224}_{86}po\)
\(^{222}_{86}po\)
\(^{222}_{84}po\)
\(^{218}_{84}po\)
Correct answer is D
No explanation has been provided for this answer.
Which of the following radiations constitutes a stream of electrons?
Gamma rays
X-rays
Cathode rays
Radio waves
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about diode is correct?
reverse bias diodes have low resistance
forward bias diodes have high resistance
forward bias diodes produce high current
forward bias diodes function as a result of heat
Correct answer is B
No explanation has been provided for this answer.
1.08 x 1011J
5.20 x 1011J
1.08 x 1012J
2.50 x 1013J
Correct answer is C
E - Mec2
E = 1.2 x 10-5 x (3 x 108)2
E = 1.08 x 1012J
i only
ii only
i and iii only
i, ii and iii
Correct answer is C
No explanation has been provided for this answer.