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P6: Quiz 10
P6: Quiz 10
1)
a) Which part of the EM spectrum has both the longest wavelength and the lowest frequency?
b) Which part of the EM spectrum has both the shortest wavelength and the highest frequency?
c) Do the dangers of the waves in the EM spectrum increase or decrease as the wavelengths get shorter/ frequencies increase? Explain your answer.
d) Are there any known harmful effects of radio waves?
2)
a) Ultraviolet radiation, X-rays and gamma rays are all types of ionising radiation. What does ionising mean?
b) Give two damaging effects of ultraviolet radiation.
c) Give one damaging effect of X-rays and gamma rays.
3)
a) What units are used to measure radiation dose?
b) Why do doctors need to think about radiation dose when carrying out medical procedures that use X-rays and gamma rays?
c) Whenever doctors are thinking about carrying out a medical procedure that uses gamma rays or X-rays, what do they need to consider with respect to the radiation dose?
a) Which part of the EM spectrum has both the longest wavelength and the lowest frequency?
b) Which part of the EM spectrum has both the shortest wavelength and the highest frequency?
c) Do the dangers of the waves in the EM spectrum increase or decrease as the wavelengths get shorter/ frequencies increase? Explain your answer.
d) Are there any known harmful effects of radio waves?
2)
a) Ultraviolet radiation, X-rays and gamma rays are all types of ionising radiation. What does ionising mean?
b) Give two damaging effects of ultraviolet radiation.
c) Give one damaging effect of X-rays and gamma rays.
3)
a) What units are used to measure radiation dose?
b) Why do doctors need to think about radiation dose when carrying out medical procedures that use X-rays and gamma rays?
c) Whenever doctors are thinking about carrying out a medical procedure that uses gamma rays or X-rays, what do they need to consider with respect to the radiation dose?