Physics Mcqs for the preparation of NTS, PPSC, SPSC, BPSC, KPSC, FPSC, OTS and other academic entry test and jobs tests.
16. Which is more elastic
(a) Steel
(b) Rubber
(c) Thread
(d) None of these
17. Who is credited with developing the idea of an isotope
(a) Frederick Soddy
(b) H. Moseley
(c) James Chadwick
(d) N. Bohr
18. A device used to detect heat radiations is known as
(a) Barometer
(b) Thermocouple
(c) Thermopylae
(d) Generator
19. Which of the following colors do not show photoelectric effect
(a) Blue
(b) Green
(c) Orange
(d) Violet
20. The energy of matter in motion is
(a) Potential Energy
(b) Projectile
(c) Kinetic Energy
(d) Resistance
21. The splitting of white light when passing through a glass prism is clue to
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
22. Which is used as a nuclear fuel in the sun
(a) Helium
(b) Hydrogen
(c) Uranium
(d) Alpha particles
23. What is emitted by the hot metal filament in a cathode ray tube
(a) Electron
(b) Proton
(c) Newton
(d) Yuton
24. Some lasers are referred to as being “cw.” What does “cw” mean
(a) Circular wave
(b) Constant white
(c) Continuous wave
(d) Clear white
25. Electro cardio graph is used to study
(a) Blood pressure
(b) Lungs
(c) Function of heart
(d) Liver
26. Which one is a mechanical wave
(a) Sound Wave
(b) Radio Wave
(c) Light Wave
(d) Infrared Wave
27. Who developed the concept of atomic number
(a) Frederick Soddy
(b) H. Moseley
(c) James Chadwick
(d) N. Bohr
28. Which material is the best absorber of infrared radiation
(a) Glass
(b) Wood
(c) Cotton
(d) Animal Fur
29. Describes the rate at which work is being done
(a) Potential Energy
(b) Power
(c) Efficiency
(d) Effort Force
30. Motion of artificial earth satellite around the earth is powered by
(a) Solar batteries
(b) Liquid fuel
(c) Atomic energy
(d) Thermal energy
