What is reflection Absorption ?

What is coefficient absorption ?

What is transmission absorption ?

What is meant by absorption of minerals?

What is meant by reflection of light and what are the types of reflection?

What is meant by reflection of light ?

What can we conclude from the statement that the action and absorption spectrum of photosynthesis overlap? At which wavelength do they show peaks?

A sample of gas absorbs 4000 kJ of heat. Suppose that in addition to absorption of heat by the sample, the surroundings, does 2000 J of work on the sample, what is DeltaU ?

What is partial reflection?

What are laws of reflection and refraction ?

When is the reflection of sound harmful?