2nd Year Physics MCQs F.Sc. Part 2
Chapter No.1
Electrostatics
Total MCQs = 50
Multiple Choice Questions 2nd Year
MCQs Physics F.Sc. Part 2
Chapter No.1 Electrostatics
Best MCQs for Entry Test MDCAT, ECAT & Pakistan Medical Commission
41. Heart of photo copier is
A. Heated Rollers
B. Toner
C. Drum
D. All of these
Answer:
C. Drum
42. The drum in a photocopies is coated with a layer of
A. Aluminium
B. Selenium
C. Gold
D. Silver
Answer:
B. Selenium
43. A special dry, black power which is spread over the drum of photocopier is called
A. Photo powder
B. Tuner
C. Toner
D. Neutralizer
Answer:
C. Toner
44. The inkjet print head ejects a steady flow of
A. Positive ink droplets
B. Negative ink droplets
C. Ink droplets
D. None of these
Answer:
C. Ink droplets
45. During photocopy, the dark areas of documents retain their:
A. Positive charges
B. Negative charges
C. Both charges
D. None of these
Answer:
A. Positive charges
