This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Fire in the diesel engine is produces by which of the following? . A) Self starter. B) Friction. C) Spark plug. D) Compression. Show Answer Correct Answer: D) Compression. 2. How many cubic centimeters are there in a cubic meter? A) 102. B) 106. C) 1. D) 0.1. Show Answer Correct Answer: B) 106. 3. The smallest marked division in the measuring instrument A) Unit equality. B) Least count. C) Uncertain digits. D) Dimensional analysis. Show Answer Correct Answer: B) Least count. 4. The critical angle of water when the refracted angle is 900 and refractive index of water and air is 1.33 and is A) 49.10. B) 510. C) 48.80. D) 500. Show Answer Correct Answer: A) 49.10. 5. A closed loop through which charges can continuously move. A) Ohm's Law. B) Resistance. C) Electric circuit. D) Electric current. Show Answer Correct Answer: C) Electric circuit. 6. Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings. " A) Stefan's Law. B) Newton's law of cooling. C) Doppler's Effect. D) Kirchhoff's Law. Show Answer Correct Answer: B) Newton's law of cooling. 7. One should not connect a number of electrical appliances to the same power socket because A) The appliance will not get full voltage. B) This can damage the electrical meter. C) This can damage the domestic wiring due to overloading. D) This can damage the appliances due to overloading. Show Answer Correct Answer: C) This can damage the domestic wiring due to overloading. 8. Heat is simply another word for A) Thermal energy that flows from hot to cold. B) Radiant energy. C) Thermal energy. D) Temperature. Show Answer Correct Answer: A) Thermal energy that flows from hot to cold. 9. When the physical quantity is formulated based from the fundamental quantities, what is it called? A) Derived quantities. B) Base quantities. C) Measurement. D) Scientific notation numbers. Show Answer Correct Answer: A) Derived quantities. 10. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? A) 52.5 m. B) 105 m. C) 4.20 m. D) 158 m. Show Answer Correct Answer: A) 52.5 m. 11. An object is moving with uniform deceleration. Which statement describes its motion? A) Its speed is increasing. B) Its speed is decreasing. C) Its rate of change of speed is decreasing. D) Its speed is constant. Show Answer Correct Answer: B) Its speed is decreasing. 12. Which of these provides the best analogy for what massive objects do to spacetime? A) Coat hanger in the closet. B) Bowling ball on a rubber sheet. C) Car driving in a circle. D) Tennis ball in the dryer. Show Answer Correct Answer: B) Bowling ball on a rubber sheet. 13. Hyperopia (Farsightedness) is common vision defect where A) Difficult to see far things. B) The focal length of the eye is too long. C) Images formed in front of the retina. D) The focal length of the eye is too short. Show Answer Correct Answer: B) The focal length of the eye is too long. 14. KFC was founded by ..... A) Harland Sanders. B) Ray Kroc. C) Glen Bell. D) Tony Tan Caktiong. Show Answer Correct Answer: A) Harland Sanders. 15. Express each of the following to 3 s.f:48938 A) 50000. B) 48900. C) 489. D) 4890. Show Answer Correct Answer: B) 48900. 16. It is the measure of the dielectric material's ability to establish an electric field A) Dielectric Constant. B) Capacitance. C) Dielectric Strength. D) Potential Difference. Show Answer Correct Answer: A) Dielectric Constant. 17. When scientists refer to experimental errors, they are not referring to what are commonly called mistakes, blunders, or miscalculations. Sometimes also referred to as the following except A) "illegitimate" errors. B) "human" errors. C) "personal" errors. D) "random errors". Show Answer Correct Answer: D) "random errors". 18. Light from the laser is..... A) Monochromatic. B) Dispersed light. C) Composite. D) Incoherent. Show Answer Correct Answer: A) Monochromatic. 19. What electromagnetic wave has the longest wavelengths and lowest frequencies? A) Microwaves. B) Infrared Waves. C) Radio Waves. D) Ultraviolet Rays. Show Answer Correct Answer: C) Radio Waves. 20. The weight of a body is..... A) Maximum at the poles. B) Maximum at the equator. C) The same everywhere on the surface of the earth. D) More on the hills than in the plains. Show Answer Correct Answer: A) Maximum at the poles. 21. All planets move around the sun in elliptical orbits, with the sun being at rest at one focus of the orbit. A) May be. B) Not sured. C) True. D) False. Show Answer Correct Answer: C) True. 22. Which unit of length would be best to measure the distance between 2 cities? A) Metres. B) Millimetres. C) Kilometres. D) Centimetres. Show Answer Correct Answer: C) Kilometres. 23. What is 1.25 x 3.0 in proper significant figures? A) 3.8. B) 3.80. C) 3.75. D) 3.7. Show Answer Correct Answer: A) 3.8. 24. What is the unit for Electric Force? A) Newton. B) Newtons/Couloumb. C) Nano. D) Couloumb. Show Answer Correct Answer: A) Newton. 25. What can you do to increase the value of k? A) Decrease the charge. B) Increase the distance. C) Nothing can be done to change the value of k; it is a constant. D) Increase the force. Show Answer Correct Answer: C) Nothing can be done to change the value of k; it is a constant. 26. What is not a field that makes up an electromagnetic wave? A) Electric. B) Magnetic. C) Digitial. D) None of the above. Show Answer Correct Answer: C) Digitial. 27. Which of the following would produce the loudest sound? A) Jet plane. B) Pin falling. C) Doorbell. D) Whisper. Show Answer Correct Answer: A) Jet plane. 28. The force which opposes the relative motion between different layers of liquid or gases is called A) Terminal Velocity. B) Streamline Flow. C) Critical Velocity. D) Viscous Force. Show Answer Correct Answer: D) Viscous Force. 29. This is the comparison between known and unknown quantity. What is this? A) Physics. B) Kinematics. C) Measurement. D) Accuracy. Show Answer Correct Answer: C) Measurement. 30. What are the major components of a projectile motion? A) Horizontal and vertical axis. B) Horizontal and vertical motion. C) Vertical and irregular motion. D) Vertical and horizontal projection. Show Answer Correct Answer: B) Horizontal and vertical motion. 31. Which of the following is an example of non-contact forces? A) Push. B) Gravitational Force. C) Pull. D) None of these. Show Answer Correct Answer: B) Gravitational Force. 32. For our purposes, it is sufficient to merely say that an electromagnetic wave is a transverse wave that has both ..... A) An electric and a magnetic component. B) Sound and magnetic waves. C) Electric and wave component. D) Sound and electric component. Show Answer Correct Answer: A) An electric and a magnetic component. 33. A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement? A) 50 m, North. B) 50 m, South. C) 40 m, North. D) 40 m, South. Show Answer Correct Answer: A) 50 m, North. 34. At what temperature are the temperature on Celsius and Fahrenheit scales equal? A) 273$^ \circ$Celsius. B) - 273$^ \circ$Celsius. C) 40$^ \circ$Celsius. D) - 40$^ \circ$Celsius. Show Answer Correct Answer: D) - 40$^ \circ$Celsius. 35. From the equations of distance, the correct one is A) Vf2 = Vi2 + as. B) Vf2 = Vi2 + 2as. C) Vf = Vi + 2as. D) Vf2 = Vi2 + 2a. Show Answer Correct Answer: B) Vf2 = Vi2 + 2as. 36. What is the purpose of a resistor? A) Control current flow. B) Allow current flow. C) Prevent current flow. D) Allow heat to build up. Show Answer Correct Answer: A) Control current flow. 37. Which formula is used to find average velocity? A) Vavg = (afinal-ainitial)/(tfinal-tinitial). B) Vavg = (rinitial-rfinal )/(tinitial-tfinal ). C) Vavg = (ainitial-afinal)/(tinitial-tfinal). D) Vavg = (rfinal-rinitial)/(tfinal-tinitial). Show Answer Correct Answer: D) Vavg = (rfinal-rinitial)/(tfinal-tinitial). 38. Which of the following is a basic unit? A) Volume. B) Density. C) Area. D) Distance. Show Answer Correct Answer: D) Distance. 39. Optical fibre works on the A) Principle of refraction. B) Scattering. C) Total internal reflection. D) Interference. Show Answer Correct Answer: C) Total internal reflection. 40. How is the capacitance (C) of a parallel-plate capacitor affected by the charge on the plates? A) C is vanished when there are plates. B) C does not depend on the charge on the plates. C) C is accumulated on one side only. D) C depend on the charge on the plates. Show Answer Correct Answer: B) C does not depend on the charge on the plates. 41. A circuit that has 2 or more path for current to flow through. A) Electric Circuit. B) Circuit in Series. C) Circuit in Parallel. D) Potential Difference. Show Answer Correct Answer: C) Circuit in Parallel. 42. Solve for x:3x/4 = ( 10 + 6x)/5 A) 2.2. B) 9. C) 4.4. D) No answer. Show Answer Correct Answer: C) 4.4. 43. What is the instantaneous velocity of a function 10t2+5t-3 at 5 seconds? A) 105 m/s. B) 102 m/s. C) 122 m/s. D) 272 m/s. Show Answer Correct Answer: A) 105 m/s. 44. If we multiply length with width, we get the A) Weight. B) Volume. C) Area. D) Mass. Show Answer Correct Answer: C) Area. 45. Displacement is a ..... A) Vector quantity. B) Scalar quantity. C) Derived quantity. D) Base quantity. Show Answer Correct Answer: B) Scalar quantity. 46. Matter can be classified as ..... A) Compounds, Mixtures, Solids. B) Elements, Compounds, Mixtures. C) Atoms, Cells, Elements. D) None of above. Show Answer Correct Answer: B) Elements, Compounds, Mixtures. 47. What is gravitational lensing? A) Light bending as it goes from one medium to another. B) Slowing down of time around a black hole. C) Light bending around a massive object. D) Light moving in a straight line around a massive object. Show Answer Correct Answer: C) Light bending around a massive object. 48. Five darts strike near the center of a target. The dart thrower is A) Accurate. B) Precise. C) Both accurate and precise. D) Neither accurate nor precise. Show Answer Correct Answer: C) Both accurate and precise. 49. Isaac Newton's First Law of Motion states that an object at rest remains ..... unless acted upon by an external force. A) In motion. B) At rest. C) Frozen. D) Moving. Show Answer Correct Answer: B) At rest. 50. Which among the following is the best conductor of electricity? A) Lead. B) Copper. C) Silver. D) Gold. Show Answer Correct Answer: C) Silver. 51. What is the direction of the electric field at the test point on the-x-axis, 50 cm from the charge q = +5.00nC which is located at the origin? A) Westward. B) Northward. C) Eastward. D) Southward. Show Answer Correct Answer: A) Westward. 52. The diameter of a copper wire is thought to be approximately 0.3 mm. Which instrument should be used to obtain a more accurate measurement of the diameter of the wire? A) Micrometer. B) Ruler. C) Measuring tape. D) Metre rule. Show Answer Correct Answer: A) Micrometer. 53. How old was Newton when he became Lucasian Professor of Mathematics at Cambridge? A) 18 yeas old. B) 27 years old. C) 35 years old. D) 10 years old. Show Answer Correct Answer: B) 27 years old. 54. What term refers the path taken by a projectile? A) Trajectory. B) Projectile. C) Free fall. D) Thing. Show Answer Correct Answer: A) Trajectory. 55. A tuning fork starts to vibrate when a certain note is played on the piano, This is an example of ..... A) Refraction. B) Reflection. C) Diffraction. D) Resonance. Show Answer Correct Answer: D) Resonance. 56. Mach number is used in connection with the speed of A) Spacecraft. B) Ships. C) Sound. D) Aircraft. Show Answer Correct Answer: D) Aircraft. 57. What is the acceleration of the object launched along the horizontal direction and assumed that air resistance is negligible? A) -9.8 m/s. B) Zero. C) Same at the initial velocity. D) 9.8 m/s. Show Answer Correct Answer: B) Zero. 58. The volume of a liquid is 20.5 ml. Which of the following sets of measurement the value with good accuracy? A) 18.8 ml, 19.0 ml, 19.2 ml, 18.8 ml. B) 19.3 ml, 19.2 ml, 18.6 ml, 18.7 ml. C) 18.6 ml, 17.6 ml, 19.6 ml, 17.2 ml. D) 20.2 ml, 20.5 ml, 20.3 ml 20.1 ml. Show Answer Correct Answer: D) 20.2 ml, 20.5 ml, 20.3 ml 20.1 ml. 59. Watt is the unit of power A) Huh. B) What. C) Watt. D) Wot. Show Answer Correct Answer: C) Watt. 60. The 'point of no return' for a black hole is called ..... A) Jets. B) Singularity. C) Accretion disk. D) Event horizon. Show Answer Correct Answer: D) Event horizon. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books