PHI Learning
Helping Teachers to Teach and Students to Learn
Helping Teachers to Teach and Students to Learn
Helping Teachers to Teach and Students to Learn
Devraj Singh, D.Phil., is Assistant Professor and Head in the Department of Applied Physics, Amity School of Engineering and Technology, New Delhi. With 13 years of teaching experience, he has to his credit 60 research articles in national and international journals of ultrasonics and 19 books including 2 books published by PHI Learning. He is life member of Ultrasonics Society of India, Materials Research Society of India, Indian Association of Physics Teachers, Acoustical Society of India and Metrology Society of India.
