Physics Revision

Which of the following affects the period of a pendulum?

• mass of bob

• amplitude of swing

• length of string

• number of oscillations

Which equation cannot be used to determine the gradient of a straight line graph?

Which of the following thermometers have a constriction in its bore?

• laboratory

• clinical

• thermocouple

• constant volume

• - 123 °C is the same as

• 396 K

• 150 K

• -396 K

• • 150 K

• - 250 K is the same as

• • - 523 K

• 523 K

• -23 K

• 23 K

A gas at 10 ° C occupies a volume of 3 cm³. What is temperature of the gas when its volume changes to 5 cm³?

• 170 °C

• 10 °C

• 6 °C

• 199 ° C

A box has a mass of 35 kg. What is the weight of the box if taken to the moon which has gravitational force of 1.7 Nkg^-1?

• 20.6 Nkg^-1

• 20.6 N

• 59.5 N

• 59.5 Nkg^-1

The steam point or lower fixed point is

• 100 °C or 373 K

• 0 °C or 273 K

• 100 °C or -273 K

• 0 °C or 373 K

Which of the following equations represents Boyle's Law?

• P x V = const

• P = V x const

Which of the following are constant when using Charle's Law?

• Volume and mass of gas

• Temperature and mass of gas

• Absolute temperature and mass of gas

• Pressure and mass of gas