Question

Two tuning forks A, B vibrate with frequencies in the ratio 2 : 7 and their wavelengths in the ratio 3 : 4 respectively. The tuning fork A produces relatively :

• A. Shrill sound than tuning fork B
• B. Flat sound than tuning fork B
• C. Louder sound than tuning fork B
• D. Softer sound than tuning fork B

Answer 1

The correct option is B Flat sound than tuning fork B

Basically, we see that :

1.) Low Frequency $⟹$ Low Pitch and that implies Flat Sound.

2.) High Frequency $⟹$ High Pitch and that implies Shrill Sound.

Now, According to this question, Tuning Fork $A$ has a Lower Frequency than $B$.

$⟹$ $A$ has more Flat Sound than $B$

Louder or Softer depends on the Amplitude of the wave, nothing can be commented on from knowing frequency or wavelength.

$⟹$ option B is correct.