Question

Which pattern in Fig. is due to the sound with the lowest pitch?

1. 
   
2. 
   
3. 
    

Options

• I

• II

• III

• Nothing can be decided

Answer 1

I

Explanation:

Pitch depends on frequency. A sound with the lowest pitch has the lowest frequency, so it produces the fewest oscillations in the same time interval. Pattern I has the fewest oscillations; therefore, it has the lowest pitch.