Question

A bat can hear to frequency 120 kHz. Determine the wavelength of sound in air if speed of sound in air is 344m/s.​

Answer 1

Answer:

your answer is in this pic

Answer 2

Answer:

• 2.87 × 10⁻³ m

Explanation:

Given

• Frequency (f) = 120 kHz
• Frequency (f) = 120 × 10³ Hz
• Speed of sound (V) = 344 m/s

To find

• Wavelength (λ)

Solution

V = fλ

λ = V/f

• 344/120 × 10³
• 2.87 × 10⁻³ m or 2.87 mm

Hence, the wavelength is 2.87 × 10⁻³ m