Question

what frequency does the note an octave above 440 hz have?
a. 880 hz
b. 220 hz
c. 110 hz
d. 660 hz

Explanation:

Step1: Understand octave frequency relation

An octave above a frequency \( f \) is \( 2f \).

Step2: Calculate the frequency

Given \( f = 440\ \text{Hz} \), then \( 2\times440 = 880\ \text{Hz} \).

Answer:

A. 880 Hz