Question

The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength 'λ' enters from air into water, then its frequency and wavelength will respectively become -; 1) 4n and λ; 2) n and 4λ; 3) 2n and λ; 4) None of these

Answer 1

2) n and 4λ

----------------------------------------------------------------------------------

The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength 'λ' enters from air into water, then its frequency and wavelength will respectively become n and 4λ

Answer 2

$\bold{\huge{Hay!!}}$


$\bold{Dear\:user!!}$



$\bold{\underline{Question-}}$

The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength 'λ' enters from air into water, then its frequency and wavelength will respectively become -; 1) 4n and λ; 2) n and 4λ; 3) 2n and λ; 4) None of these


$\bold{\underline{Answer-}}$


$\bold{Your\:Answer\:is\:Options\:( 2) }$

The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength 'λ' enters from air into water, then its frequency and wavelength will respectively become -;
1) 4n and λ;
2) n and 4λ; ✔️
3) 2n and λ;
4) None of these


$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \small \: {swarnimkumar22}$