Answer:
Looks like <em>Trigonal Planar</em>
Explanation:
There are only 3 areas of electron density and no unpaired electrons on the central atom, which indicates trigonal planar. This image might help...
Answer:
light scattering by particles in a colloid or in a very fine suspension
<span>Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. ... The term also applies to the refraction of sound.</span>
Answer:
197.263157895 m/s
169.491525424 m/s
Explanation:
x Denotes position
t Denotes time
Average velocity is given by

The average velocity is 197.263157895 m/s

The average velocity is 169.491525424 m/s
Answer:
2.8 cm
Explanation:
= Separation between two first order diffraction minima = 1.4 cm
D = Distance of screen = 1.2 m
m = Order
Fringe width is given by

Fringe width is also given by

For second order

Distance between two second order minima is given by


The distance between the two second order minima is 2.8 cm