Answer: these regions of darkness are due to no stars being in these regions of the night sky
It would be D because there is more gravitational forces acting on it than a small block of wood
Explanation:
If the intensity of the yellow light increased, meaning more photons will strike the Potassium metal per unit area. This will cause more ejection of electrons from the metal and hence, the strength of current will also increase as we know that
I = Q/t, as the charge increase , the current will also increase.
Well, the Train will have no movement since it is not moving, so a Sports car that is going 100 mph will have Momentum.