If amplitude of the waves coming from a light bulb decreased, which would you expect to happen?
A)The brightness of the bulb would decrease.
B)The intensity of the light would increase.
C) The light waves would travel faster.

Question

If amplitude of the waves coming from a light bulb decreased, which would you expect to happen?
A)The brightness of the bulb would decrease.
B)The intensity of the light would increase.
C) The light waves would travel faster.

prathamesh_m · Answer

Intensity is proportional to square of the amplitude

prathamesh_m · Answer

Also amplitude is what determines brightness

prathamesh_m · Answer

so i think A is correct

samigupta8 · Answer

I am in complete support with @prathamesh_M