Author's rating:

Dr G Kumuda

The author is a science educationalist as she has done M.Sc. in
Physics and Ph.D. in Science Education. She is a gold medalist
as she has obtained I Rank during M.Phil (Education) of
University of Madras and is a First Prize Winner of the BOLT
(Broad Outlook Learner Teacher) Award organized by Air India,
The Hindu & Dina Malar and is teaching Physics for Higher
Secondary classes in Chennai, India.