A、(H<sub>1</sub>/H<sub>2</sub>)=(Q<sub>1</sub>/Q<sub>2</sub>)<sup>2</sup>=(n<sub>1</sub>/n<sub>2</sub>)
B、(H<sub>1</sub>/H<sub>2</sub>)=(Q<sub>1</sub>/Q<sub>2</sub>)=(n<sub>1</sub>/n<sub>2</sub>)<sup>2</sup>
C、(H<sub>1</sub>/H<sub>2</sub>)=(Q<sub>1</sub>/Q<sub>2</sub>)<sup> 2</sup>=(n<sub>1</sub>/n<sub>2</sub>)<sup> 2</sup>
D、(H<sub>1</sub>/H<sub>2</sub>) =(Q<sub>1</sub>/Q<sub>2</sub>) =(n<sub>1</sub>/n<sub>2</sub>)