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.
In a thermos flask, heat loss by radiation is minimizes by the
silvered surfaces
vacuum within the doubled walls
plastic stopper
cork support
Correct answer is A
No explanation has been provided for this answer.
can measure rapidly changing temperatures
can measure high and low temperature
can measure high and low temperature almost at a point
is fairly sensitive
Correct answer is D
No explanation has been provided for this answer.
-25oC
-20oC
20oC
25oC
Correct answer is A
\(\frac{440 - 380}{680 - 380} = \frac{0 - x}{100 - x}\)
= -25oC
A machine is said to be a third class lever when the
load is between the fulcrum and effort
fulcrum is between the effort and the load
effort is between the fulcrum and load
fulcrum is directly below the load
Correct answer is C
No explanation has been provided for this answer.
i, ii and iii
i and ii only
i and iii only
ii and iii only
Correct answer is D
No explanation has been provided for this answer.