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.
Which of the following assumptions is not valid for an ideal gas?
molecules of a particular gas are identical
molecules moves freely throughout the volume of the container
force of attraction between molecules is negligible
molecules move at constant speed between collisions
Correct answer is C
No explanation has been provided for this answer.
i and ii only
ii and iii only
i and iii only
ii and iv only
Correct answer is C
No explanation has been provided for this answer.
\(\gamma = \alpha\)
\(\gamma = 1 - \alpha\)
\(\gamma = 2 \alpha\)
\(\gamma = 3 \alpha\)
Correct answer is D
No explanation has been provided for this answer.
A hypsometer is used for determining
steam point
relative humidity
ice point
relative density
Correct answer is A
No explanation has been provided for this answer.
600.0N
40.0N
24.0N
20.0N
Correct answer is C
V.R = \(\frac{R}{r} = \frac{30}{6} = 5\)
\(\gamma = \frac{M.A}{V.R} \times \frac{100}{1} \)
M.A = \(\frac{100 \times 5}{100} = 5\)
Effort = \(\frac{L}{M.A} = \frac{120}{5}\)
= 24N