Some laws/processes are given in Column I. Match these with the physical phenomena given in Column II and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the ORS.

• Correct answer
  A

  A-p, r; B-p, q, s; C-p; D-q
• B

  A-p; B-p, s; C-p; D-q
• C

  A-p, r; B-p, q; C-p, r; D-q, s
• D

  A-r, s; B-q; C-p; D-p, q, s

Hence, the correct answer is option: 'A'.