photochemical excitation meaning in Hindi

• प्रकाश रसायनिक उत्तेजन • प्रकाशरासायनिक उत्तेजन

photochemical: प्रकाश रसायनिक
excitation: प्रोत्साहन संदीपन

These migrations are the reverse of ?-elimination reactions and we now find that some of the above products ?-eliminate under photochemical excitation to regenerate the initial carbene starting materials.