Electromagnetic waves exam tips

Exam tips

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Describe thermal radiation as electromagnetic radiation emitted by all bodies..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that the hotter an object is, the more infrared radiation it emits in a given time..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Describe a perfect black body as an object that absorbs all radiation incident on it..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) State that a perfect black body does not reflect or transmit radiation..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that a black body is the best possible emitter of radiation..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that an object's temperature depends on the balance between radiation absorbed and radiation emitted..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that temperature increases when an object absorbs radiation faster than it emits radiation..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that temperature decreases when an object emits radiation faster than it absorbs radiation..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Describe how the intensity and wavelength distribution of radiation emitted by a body depend on temperature..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).

• Black body radiation (physics only) exam tip 1

  Use precise subject-specific vocabulary when you explain how to (Physics only) Explain that as temperature increases, the intensity of emitted radiation increases..

  This keeps your answer tightly aligned to the approved learning objective for Black body radiation (physics only).