A few physics questions..?

Question

1. If you want to study how energetic waves affect matter, you should study waves with a _______.

higher frequency and shorter wavelength

lower frequency and shorter wavelength

longer wavelength and lower frequency

2. If the amplitude of the waves coming from a light bulb decreased, which would you expect to happen?

The intensity of the light would increase.

The light waves would travel faster.

The brightness of the bulb would decrease.

I think its the first one on this one ^^

Thankss so much!

Answer 1

1.  Higher frequency and shorter wavelength.

           Energy of light waves increases with increasing frequency, and higher frequency means shorter wavelength by the equation  lambda = c / f,  where lambda is wavelength, f is frequency, c is the speed of the wave.

2.  Brightness of the bulb will decrease.

Brightness corresponds to amplitude of waves.  Greater amplitude means greater brightness (so lower amplitude means less brightness).