Physics SS2 3rd Term Revision

The pressure of a fixed mass of gas is 400 kPa at 27°C. What will be its pressure at 127°C, if volume remains constant?

• 500 kPa

• 600 kPa

• 700 kPa

• 800 kPa

A gas occupies 4.0 m³ at a pressure of 200 kPa. What is its volume when the pressure increases to 400 kPa, at constant temperature?

• 2.0 m³

• 3.0 m³

• 5.0 m³

• 8.0 m³

Which of the following instruments is used to measure the pressure of a gas?

• Thermometer

• Barometer

• Manometer

• Hygrometer

Which law states that the volume of a gas is directly proportional to its temperature at constant pressure?

• Boyle’s law

• Charle’s law

• Pressure law

• Dalton’s law

The general gas law combines which of the following gas laws?

• Boyle’s and Avogadro’s

• Charle’s and Avogadro’s

• Boyle’s and Charle’s

• Boyle’s, Charle’s, and Pressure law

Mechanical waves require a ___ to propagate.

• Vacuum

• Medium

• Reflector

• Oscillator

Which device is typically used to generate water waves in a ripple tank?

• Vibrator

• Tuning fork

• Diaphragm

• Oscilloscope

In a transverse wave, particles of the medium move:

• Along the direction of wave motion

• Opposite to the direction of wave motion

• Perpendicular to the direction of wave motion

• At random

The distance between two successive crests of a wave is called:

• Period

• Amplitude

• Frequency

• Wavelength

If a wave has frequency 10 Hz and wavelength 2 m, what is its speed?

• 5 m/s

• 10 m/s

• 20 m/s

• 200 m/s