Yes. I know I’m not smart but please help! Please answer the questions below the illustration, thank you in advance!

An observer that stands still as the electron moves by him, will observe

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

The strong nuclear force acts over a small distance than the electrostatic force. true or false