Answer:
v=700 m/s
Explanation:
Given that,
The frequency of a wave is 35 Hz and its wavelength is 20 m
We need to find the speed of the wave. Let it is v. It is given in terms of frequency and wavelength as follows :
So, the velocity of the wave is 700 m/s.
C is probably the answer....................yea........
1. Spherical - Cocci
2. Rod-shaped - Bacilli
3. Purple stain - Gram-negative
4. Pink stain - Gram-positive