" Name the smallest unit of light energy."

I present in the sunrays. I am a smallest unit of light energy. Who am I?

Complete the blanks. ............ (1) is considered as the smallest units of solar energy ............ (2) of chloropast trap this solar energy.

Name the smallest unit of classification.

Name the largest and smallest unit of energy.

Smallest unit of ecology is

What is the smallest unit of matter ?