engineering recuitment RVUNL JEn (RSEB) Mock Tests 2025 General Science Physics Wave

What is the wavelength of a sound wave in a medium with a frequency of 840 Hz and a speed of 380 m/s seconds?

1
5.45 m
2
1.45 m
3
0.45 m
4
2.45 m
5
Not Attempted
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