All important short and long questions from the Chapter 20, 2nd Year Physics, FSc. That helps you to get above 70% marks in board exams.
Short Questions
Q.1 What do you mean by inner cell transition
Q.1 Write 4 use of X-rays
Q.3 Define ionization potential and excitation potential
Q.4 Briefly describes continuous X-rays
Q.5 Give two uses of Laser in medicine and industry
Q.6 State any two postulates of Bohr's model of hydrogen atom
Q.7 Diff. b/w line spectrum and Band spectrum
Q.8 What does the name LASER stand for
Q.9 What is CAT scanner
Q.10 Define characteristic X-rays
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