GCSE Physics – Absorbing and emitting

Last updated: 27/05/2020
Edexcel GCSE Science – Physics foundation Light and the electromagnetic spectrum GCSE Physics – Absorbing and emitting

Learning Objectives

-I can describe that objects absorb and transmit light of different wavelengths
-I can explain that the intensity and wavelength distribution depends on the temperature of the object
-I can explain anybody is constantly absorbing and emitting radiation, and the balanced between the two determines the temperature
-I can explain how radiation affects the temperature of the Earth
-I can explain how different surfaces absorb and emit radiation

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  1. Current
  2. Review
  3. Answered

  1. What is a body?

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  2. What do all bodies absorb?

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  3. What do all bodies emit?

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  4. Do all surfaces absorb and emit radiation the same way?

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  5. Describe the temperature needed for a body to absorb infrared radiation.

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  6. Describe the temperature needed for a body to emit infrared radiation.

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  7. Describe the relationship between the temperature of a body and the amount of infrared radiation emitted.

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  8. What is the temperature of a body a balance of?

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  9. What is the temperature of a body a balance of?

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  10. Describe the relationship between the rate of emission and the temperature of a body.

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  11. Describe the relationship between the rate of emission and the temperature of a body.

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  12. What affects the temperature of a body?

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  13. What affects the temperature of a body?

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  14. What does the temperature of the Earth depend on?

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  15. What does the temperature of the Earth depend on?

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  16. What does the temperature of the Earth depend on?

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  17. What does the temperature of the Earth depend on?

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  18. What does the temperature of the Earth depend on?

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  19. What happens to the internal energy of the Earth when the amount of visible light and infrared radiation being absorbed increases?

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  20. What happens to the surface of the Earth when the amount of visible light and infrared radiation being absorbed increases?

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