Answer:
1
Explanation:
Its 1 since the shape of it is more downwards which results the reflection going downwards.
when the aim is to show electron distributions in shells.
hope this helps :)
Speed of light is given as

time interval is given as

so the distance covered by the light is given as


now as we know that

so the distance moved by light is

now for the comparision of this distance with diameter of earth
as we know that radius of earth is

so the diameter of earth will be

now the ratio of diameter with the distance that light move will be


<em>so it is 2.35 times more than the diameter of earth</em>
The net force on the hanging object is zero. If it were not zero, then the object would be accelerating in some direction.