Answer:
Red has the longest wavelength among all the visible colors of light.
Explanation:
Visible light is the only electromagnetic radiations which can be seen by human eye. When white visible light passes through a prism it breaks down into 7 distinctive colors of rainbow.
These are red, orange, yellow, green blue, indigo and violet.
Red has the longest wavelength of around 700 nano meters with violet has the shortest wavelength of 380 nano meters.
Answer:
Energy will be 
Explanation:
We have given that dielectric constant k = 5
Area of the plate 
Distance between the plates 
Electric field E = 200 kN/C
We know that capacitance is given by 
We know that electric field is given by 
So 
So energy will be 
Answer:
A is the answer
Explanation:
That's why it ranges from big to small.
