Answer:
constructively
6
Explanation:
c = Speed of light =
= Frequency = 1.667 GHz
= Path difference = 1.08 m
Wavelength is given by
Path difference is given by
As the integral multiple of wavelength gives path difference the waves will combine constructively.
The value of m is 6
Answer:
B. underwater mountain range
Answer:
''
Explanation:
A chemical change results from a chemical reaction, while a physical change is when matter changes forms but not chemical identity. Examples of chemical changes are burning, cooking, rusting, and rotting. Examples of physical changes are boiling, melting, freezing, and shredding. Often, physical changes can be undone, if energy is input.