Infrared Radiation Practical Quiz

What is the focus of the video tutorial for the 2022 physics exam?

• Nuclear physics

• Magnetic fields

• Infrared radiation practicals

• Electric circuits

In the emission practical, what is used to measure the infrared radiation emitted by the Leslie's cube?

• An infrared thermometer

• A stopwatch

• A ruler

• A thermometer

Which surface is expected to emit the most infrared radiation in the Leslie's cube experiment?

• White surface

• Silver surface

• Matte black surface

• Shiny black surface

In the absorption practical, what is used to attach the metal coins to the surfaces?

• Magnets

• Wax

• Tape

• Glue

Which material is expected to absorb infrared radiation the fastest in the absorption practical?

• Shiny black paper

• Silver foil

• Matte black paper

• White paper