A process by which light energy is converted to chemical energy.

Referring to the chemical processes that involve light and its effects.

प्रकाश संबंधी रासायनिक प्रक्रियाएं

English Usage: The study of photochemical properties is crucial in material science.

Hindi Usage: प्रकाश संबंधी रासायनिक गुणों का अध्ययन सामग्री विज्ञान में महत्वपूर्ण है।

The state of being excited or the process by which an electron moves to a higher energy level.

Pertaining to the process that initiates a response or reaction.

प्रतिक्रिया प्रारंभ करने की प्रक्रिया से संबंधित

English Usage: The photochemical excitation of the sample resulted in a significant change in color.

Hindi Usage: नमूने की प्रकाशीय उत्तेजना से रंग में एक महत्वपूर्ण परिवर्तन हुआ।