This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 37 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 37 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Light is a form of A) Water. B) Heat. C) Energy. D) None of above. Show Answer Correct Answer: C) Energy. 2. Suitable impurities are added to a semiconductor depending on its use. This is done in order to A) Increase its life. B) Increase its electrical resistivity. C) Increase its electrical conductivity. D) Enable it to withstand higher voltages. Show Answer Correct Answer: C) Increase its electrical conductivity. 3. Which of the following is equivalent to half a meter? A) 500 cm. B) 50 cm. C) 100 mm. D) 10 mm. Show Answer Correct Answer: B) 50 cm. 4. How much work input is required to lower (not drop) a 120 pound weight from the top of a 3 foot table to the floor A) 120 pounds of force. B) 360 foot-pounds. C) 40 foot-pounds. D) None of above. Show Answer Correct Answer: B) 360 foot-pounds. 5. Ohmic conductor among the following is ..... A) Transistor. B) Electrolyte. C) Constantum. D) Thermal value. Show Answer Correct Answer: C) Constantum. 6. Only one part of moon can be seen from earth because..... A) The period of rotation and revolution are equal. B) Only one part reflects light. C) It does not rotate. D) None of these. Show Answer Correct Answer: A) The period of rotation and revolution are equal. 7. Blisters are formed more rapidly by the steam of boiling water in comparision to boiling water itself because ..... A) Stream has latent heat. B) Temperature of the stream is higher. C) Stream enters the body pores rapidly. D) Stream is a gas and rapidly covers the body. Show Answer Correct Answer: A) Stream has latent heat. 8. Which will weigh the least? A) 98 parts of dry air and 2 parts of water vapor. B) 35 parts of dry air and 65 parts of water vapor. C) 50 parts of dry air and 50 parts of water vapor. D) None of above. Show Answer Correct Answer: B) 35 parts of dry air and 65 parts of water vapor. 9. Wood is an example of A) Conductors. B) Insulators. C) Semiconductors. D) Superconductors. Show Answer Correct Answer: B) Insulators. 10. What law describes how acceleration, mass and net force are related? A) First. B) Second. C) Third. D) Fourth. Show Answer Correct Answer: B) Second. 11. Determine the quantity and type of charge on an object that has 3.62 x 1012 more protons than electrons. A) 5.8 x 10-7 Coulombs. B) -5.8 x 10-7 Coulombs. C) -5.8 x 107 Coulombs. D) 5.8 x 107 Coulombs. Show Answer Correct Answer: A) 5.8 x 10-7 Coulombs. 12. A weight-lifter raises a 2000 N weight through a vertical height of 2.0 m in 0.80 s.What useful power does he develop in doing this? A) 800 W. B) 3200 W. C) 4000 W. D) 5000 W. Show Answer Correct Answer: D) 5000 W. 13. Which statement is correct about a bottle of water? A) Its mass at the North Pole is different from its mass at the Equator. B) Its mass is measured in newtons. C) Its weight and mass are the same thing. D) Its weight is one of the forces acting on it. Show Answer Correct Answer: D) Its weight is one of the forces acting on it. 14. What happens to the force between two charged objects when you double the distance between them? A) It doubles. B) It is cut in half. C) It quadruples. D) It is cut by 1/4. Show Answer Correct Answer: D) It is cut by 1/4. 15. Capacitors which all are connected to the same source of potential. A) Capacitors. B) Capacitance. C) Capacitance in Parallel. D) Capacitance in Series. Show Answer Correct Answer: C) Capacitance in Parallel. 16. Capacitors or other devices connected along a single path A) Capacitors. B) Capacitance. C) Capacitance in Parallel. D) Capacitance in Series. Show Answer Correct Answer: D) Capacitance in Series. 17. Glass if optically denser than air. Which one is the closest approximate of the speed of light in glass? A) Slightly slower than 300 000 000 m/s. B) Slightly faster than 300 000 000 m/s. C) So much slower than 300 000 000 m/s. D) So much faster than 300 000 000 m/s. Show Answer Correct Answer: A) Slightly slower than 300 000 000 m/s. 18. Distance tells us A) A change in position of the object. B) A total length of the path by the object travel. C) A length between the two-point of reference. D) A change in direction of the object. Show Answer Correct Answer: B) A total length of the path by the object travel. 19. In a closed thermometer-hot water system, a thermometer in thermal equilibrium with the hot water where it is dipped shows the temperature of the ..... A) Water. B) Thermometer. C) Environment inside the system. D) All of these. Show Answer Correct Answer: D) All of these. 20. How fast does gravity travel? A) Gravity does not have a speed, it is instantaneous. B) At the speed of light. C) Slower than the speed of light. D) None of above. Show Answer Correct Answer: B) At the speed of light. ← PreviousNext →Related QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books