Physics (AS & A Level) · May / June 2017 · Paper 13 · Question 25
Which row shows a correct frequency in Hz for each of the four principal radiations?
- AX-rays 10¹⁰, ultraviolet 10¹⁴, microwaves 10¹⁸, infra-red 10¹⁵
- BX-rays 10¹⁴, ultraviolet 10¹⁸, microwaves 10¹⁵, infra-red 10¹⁰
- CX-rays 10¹⁵, ultraviolet 10¹⁰, microwaves 10¹⁴, infra-red 10¹⁸
- DX-rays 10¹⁸, ultraviolet 10¹⁵, microwaves 10¹⁰, infra-red 10¹⁴
As printed in the paper
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Correct answer: D. X-rays 10¹⁸, ultraviolet 10¹⁵, microwaves 10¹⁰, infra-red 10¹⁴
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