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.
24.0N
12.5N
7.5N
4.0N
Correct answer is B
F = ma
= 1 x 2.5 = 2.5N
weight = mg = 1 x 10 = 10N
Reading = F + Wt = 2.5 + 10
= 12.5N
Which of the following physical processes cannot be explained by the molecular theory of matter?
evaporation
thermal conduction
radiation of heat
convectional current of fluids
Correct answer is C
No explanation has been provided for this answer.
Absorption line spectra exhibited by atoms is a result of
change in the kinetic energy of a movimg atom
instability of the nucleons
excitation of an electron in the atom
transition of an electron from a higher to a lower energy level
Correct answer is D
No explanation has been provided for this answer.
1.8 x 1020J
1.8 x 1013J
1.8 x 1011J
1.8 x 1010J
Correct answer is D
No explanation has been provided for this answer.
84 days
70 days
56 days
40 days
Correct answer is B
No explanation has been provided for this answer.