This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 17 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Chinese ophthalmologist ..... who had first shared suspicion of a Sars-like illness spreading in Wuhan, died after he was infected by the coronavirus. A) Lee wang. B) Li Wenliang. C) Tanny wang. D) Bruce lee. Show Answer Correct Answer: B) Li Wenliang. 2. Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from A) East. B) West. C) Northeast. D) Southeast. Show Answer Correct Answer: A) East. 3. How could we describe the relationship between force and extension for an object that shows elastic deformation? A) Directly proportional. B) Inversely proportional. C) Positive correlation. D) No relationship. Show Answer Correct Answer: A) Directly proportional. 4. What material is a resistor made of? A) Graphite. B) Carbon. C) Glass. D) Mica. Show Answer Correct Answer: B) Carbon. 5. A measure of the resistance of a fluid or the fluid's internal resistance to flow is A) Density. B) Viscosity. C) Surface tension. D) Pressure. Show Answer Correct Answer: B) Viscosity. 6. The measure of the rate of the flow of charge (Q) through a circuit in a unit of time (t). A) Electric Current. B) Resistance. C) Electric Circuit. D) Ohm's Law. Show Answer Correct Answer: A) Electric Current. 7. What will be the units of F (or Fe)? A) Newtons. B) Meters. C) Coulombs. D) Joules. Show Answer Correct Answer: A) Newtons. 8. What is polarized light? A) Where electric field component oscillates in one plane. B) Where the magnetic field component oscillates in one plane. C) When waves oscillate in one direction. D) Where waves oscillate in one plane. Show Answer Correct Answer: C) When waves oscillate in one direction. 9. This is a requirement for heat transfer to occur between two objects (e.g. already in contact with each other). A) Temperature difference. B) Thermal Insulation. C) Temperature Increase. D) Thermal Equilibrium. Show Answer Correct Answer: A) Temperature difference. 10. A wing with very high aspect ratio (in comparison with low aspect ratio wing) will have. A) Increased drag at high angles of attack. B) A low stall speed. C) Poor control qualities at low airspeeds. D) None of above. Show Answer Correct Answer: B) A low stall speed. 11. Temperature is generally proportional to a substance's A) Thermal energy. B) Vibrational kinetic energy. C) Average translational kinetic energy. D) Rotational kinetic energy. Show Answer Correct Answer: C) Average translational kinetic energy. 12. An object travels a distance of 12.8 m in 15 seconds. What is its average velocity? A) 15 m/s. B) 12.8 m/s. C) 0.85 m/s. D) 1.17 m/s. Show Answer Correct Answer: C) 0.85 m/s. 13. A merry-go-round starts at rest and builds up to a final angular speed of 0.34 rad/s while rotating through an angular displacement of 1.9 rad. What is its average angular acceleration? A) $ 0.03\ \frac{rad}{s^2}$. B) 0.08 rad/$s^2$. C) 0.13 rad/$s^2$. D) 0.18 rad/$s^2$. Show Answer Correct Answer: A) $ 0.03\ \frac{rad}{s^2}$. 14. If there are about 3 feet in 1 meter, then 25 meters is about A) 8 feet. B) 75 feet. C) 450 feet. D) 4.5 feet. Show Answer Correct Answer: B) 75 feet. 15. An electrostatic force of 2 X 102. newtons is exerted on a charge of 4 coulomb at point P in an electric field. The magnitude of the electric field intensity at P is A) 8 X 102 N/C. B) 5 N/C. C) 2 X 10-2 N/C. D) 50 N/C. Show Answer Correct Answer: D) 50 N/C. 16. Which planet is nearest to the earth? A) Mars. B) Venus. C) Jupiter. D) Mercury. Show Answer Correct Answer: A) Mars. 17. All of the following are base units of the SI system except A) Kilogram. B) Kelvin. C) Meter. D) Volt. Show Answer Correct Answer: D) Volt. 18. Which must be decreased in order to change the period of a pendulum from 1.5 s to 1 s? A) Length of the string. B) Tension. C) Mass of the bob. D) Amplitude. Show Answer Correct Answer: A) Length of the string. 19. Rio de Grande river has a total length of 505 km . What is this length in m? A) 50 500 m. B) 5 050 000 m. C) 5.05 x 105 m. D) 5.07 x 107 m. Show Answer Correct Answer: C) 5.05 x 105 m. 20. If the volume of a confined gas is doubled (without the addition of more gas), the pressure will (assume the temperature remains constant) A) Increase In direct proportion to the volume increase. B) Remain the same. C) Be reduced to one half its original value. D) None of above. Show Answer Correct Answer: C) Be reduced to one half its original value. ← 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