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.
8.1ms-1
10.0ms-1
10.6ms-1
22.5ms-1
Correct answer is C
n = \(\frac{\sin 45}{\sin 30} = 1.4142\)
n = \(\frac{15m/s}{x}\)
x = \(\frac{15}{1.4142}\) = 10.6m/s
Humidity is used to describe the amount of
air in water vapour
cloud available in the atmosphere
air in equal volume of cloud
water vapour in the amosphere
Correct answer is D
No explanation has been provided for this answer.
Which of the following physical qualities affects the saturated vapour pressure of a liquid?
temperature
volume
mass
density
Correct answer is A
No explanation has been provided for this answer.
latent heat
heat capacity
specific latent heat
specific heat capacity
Correct answer is A
No explanation has been provided for this answer.
411.5cm3
267.1cm3
254.2cm3
112.7cm3
Correct answer is C
V2 = \(\frac{P_1V_1T_2}{P_2T_1} = \frac{77 \times 240 \times 371}{81 \times 333}\)
= 254.2cm3