Exam preparation MCQs with answers

Practice Pakistan's most useful MCQs for competitive exams

Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.

Latest MCQs

The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then____________?
  • (A)  3/4th of it will disintegrate in two months
  • (B)  It will completely disintegrate in two months
  • (C)  It will completely disintegrate in four months
  • (D)  1/8th of it will remain intact at the end of four months