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
B. K. AGARWAL (D. PHIL.), Formerly Professor and Head, Department of Physics, and Dean, Faculty of Science, University of Allahabad.
HARI PRAKASH (PH.D.), Professor of Physics, University of Allahabad.
