2 answers:
Answer:
light scattering by particles in a colloid or in a very fine suspension
Answer:
tyndall effect is light scattering by particles in a colloid or in a very fine suspension
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Answer:
The required frequency = 0.442 Hz
Explanation:
Frequency 
where;
Then;
However;
and;
mass 
where;
Then;
replacing the values;
Answer:
D. Wavelength
Explanation:
An infrared (IR) and ultraviolet (UV) wave propagating through a vacuum must have the same wavelength.
Answer:
1400 units of momentum.
Explanation:
Using the formula p=mv. We can get the momentum using 70*20 =1400 units of momentum
Answer: frosted glass
Explanation:
Explanation:
It varies with altitude, but at sea level, it's 9.8 m/s².
