Question

Does blue light affect phototropism?

Answer 1

Blue light:

1. Blue light is the visible light that has shorter wavelengths and higher energy.
2. They have a wavelength between 450 to 495 nm.
3. Blue lights is mainly given off by smartphones, TVs, and tablets.

Phototropism:

1. Plants respond to light by showing growth movement towards the light.
2. The bending of a plant in response to light is known as phototropism.
3. It can be positive (towards the source of light) or negative (away from the source of light).
4. Blue light affects phototropism.
5. As blue light has a shorter wavelength, phototropism occurs best in blue light.