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.
It is easier to roll a barrel full of coal tar than to pull it because
the full weight of the barrel comes into play when it is pulled
the rolling friction is much less than the sliding friction
more surface area of the barrel is in contact with the road when it is pulled
coal tar is a liquid and it flows in the barrel when it is rolled
Correct answer is B
No explanation has been provided for this answer.
Mica is used in electrical appliances such as electric iron because mica is
a good conductor of heat but a bad conductor of electricity
a bad conductor of heat but a good conductor of electricity
a good conductor of heat as well as electricity
a bad conductor of heat as well as electricity
Correct answer is A
No explanation has been provided for this answer.
10-6m
10-8m
10-9m
10-5m
Correct answer is C
No explanation has been provided for this answer.
luminous heavenly bodies revolving around a star
non-luminous heavenly bodies
luminous heavenly bodies that twinkle
luminous heavenly bodies that do not twinkle
Correct answer is B
No explanation has been provided for this answer.
Natural radioactivity was discovered by
Marie Curie
Ernest Rutherfor
Henri Becquerel
Enrico Fermi
Correct answer is C
No explanation has been provided for this answer.