# Physics Check By Mr. Garry

12 Questions | Attempts: 64
Share  Settings  • 1.
Which of the following is related to the PRESSURE of GAS?
• A.

Spaces between molecules

• B.

Average speed of molecules

• C.

Collision of molecules with container

• 2.
Boyle's Law states that at constant temperature, the pressure of gas is INVERSELY PROPORTIONAL to its volume.
• A.

True

• B.

False

• 3.
What does the experiment tell us?
• A.

At constant volume, the pressure decreases as temperature increases.

• B.

At constant volume, the pressure increases as temperature increases.

• C.

As temperature increases, the volume and pressure increase too.

• 4.
The balloon expands when heated and shrinks when cooled as presented in the diagram. Which gas law explains this?
• A.

Volume isinversely proportional to Pressure

• B.

Volume is directly proportional to Temperature

• C.

Pressure is directly proportional to Temperature

• 5.
At constant temperature, the pressure of a gas is 200,000 Pa when its volume is 1 Liter. What becomes of its volume if the pressure decreases to 100,000 Pa?
• A.

0.5 Liter

• B.

1 Liter

• C.

2 Liters

• D.

4 Liters

• 6.
Check all the descriptions of an IDEAL GAS.
• A.

Molecules are spherical and very small.

• B.

Molecules have attractive forces.

• C.

Molecules stick together when they collide.

• D.

Molecules are in rapid random motion.

• 7.
The image shows an extrapolated graph of volume and temperature in Celsius. The value -273 degrees Celsius is also called as _________________.
• 8.
The room temperature is 25 degrees Celsius. In Kelvin scale, this is closest to ________.
• A.

258

• B.

262

• C.

273

• D.

298

• 9.
An ideal gas has an initial volume of 30 Liters at 500 Kelvin. What would be its new volume when the temperature is raised to 1500 Kelvin? Assume constant pressure.
• A.

10 Liters

• B.

30 Liters

• C.

90 Liters

• D.

150 Liters

• 10.
Which graph below shows the relationship between volume and pressure of gas at constant temperature?
• A.

Option

• B.

Option

• C.

Option

• D.

Option

• 11.
Given the number of moles (N) and the gas constant (R), how is the ideal gas law written as an equation?
• A.

PT = NRT

• B.

PR = NVT

• C.

PV = NRT

• D.

PV = NR / T Back to top