A charge of 10-10 C between two parallel plates 1cm apart experience a force of 10-5N. The P. D between the plates will be a)10V b) 100V c)1000V d) 1V

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

365.25 earth days are in the year of a light year