History: How does our perception of frequency increase over Hz?

How does our perception of frequency increase over Hz?

• Linearly.
  We do not perceive 20-40 Hz the same as 10,020 Hz to 10,040 Hz.
• Logarithmically.
  Yes. We perceive 20-40 Hz the roughly same as 10,000 Hz to 20,000 Hz.
• None of the other answers.
  As frequency increases, our perception of frequency ranges decrease.
• It doesn't.
  As frequency increases, our perception of frequency ranges decrease.