Iodine is the answer to your question buddy
Answer:
74.52s
Explanation:
The solution is shown in the picture below
Answer:
0.000109375 m
Explanation:
d = Distance between grating = 0.5 mm
m = Order

Minima relation

For fourth order minima

For second maxima

From the two equations we get

The wavelength is 0.000109375 m
Answer:

Explanation:
We are given that
Electric field,E=
We have to find the value of maximum charge density that can be placed on the surface of the plane before dielectric breakdown of the surrounding air occurs.
We know that

Where 
Using the formula





Answer:
Explanation:
The dimness of two light source, which have the same intensify depends on their distance from the observer. That is why some stars appear brighter than the others, this is due to the distance of each of them from the earth.
The closer a light source, the brighter they appear
Now, if the right lamp has a dim light actually, it shows that the bicycle is closer than it appears.