Answer:
B - Velocity
Explanation:
Velocity definition: “The speed of something in a given direction.”
The statement which is true of a wave that’s propagating along the pavement and girders of a suspension bridge is A. The wave is mechanical, with particles vibrating in a direction that is parallel to that of the wave, forming compressions and rarefactions.
Explanation:
It is given that,
Frequency of the laser light, 
Time,
(a) Let
is the wavelength of this light. It can be calculated as :



or

(b) Let n is the number of the wavelengths in one pulse. It can be calculated as :


n = 13440
Hence, this is the required solution.
The most common liquid on planet earth is water
In order to indicate that ones business is indeed
successful, you need to look into the following characteristics:
<span>·
</span>Planning
– oversee the possible mistakes and create plan Bs. Know the company’s
statement of purpose, goals, etc.
<span>·
</span><span>Evaluation
– assess the plan after its pilot test for area of improvement</span>