Q6) A driver driving a car with a speed of 60 km/h. If the driver accelerates at 2 m/s^2, how much time does the driver need to get the
speed of 90 km/h?

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.