Answer:
A wavelength is a measure of distance between two consecutive crests or trough. So , the unit of wavelength is same as unit of distance. I.e metre
Answer:

Explanation:
The kinetic energy of an object is given by
where
is the mass of the object and
is the velocity of the object.
We can set up the following equations with the information given:

For part B, we have the same equation, but kinetic energy is now
.
Therefore:
.
Answer:
Neither A or B
Explanation:
The 37.3mv is not the signal voltage
sensor ground circuit does not has excessive resistance.
Answer:
The answer is C, a thermometer reads 0.1 degree higher than it should.