This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 40 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 40 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is an example of a velocity? A) 35 meters East. B) 22 m/s. C) 40 mph West. D) 12 m/s2. Show Answer Correct Answer: C) 40 mph West. 2. What is the SI, base unit for capacitance A) [F]. B) [s4A2kg-1m-2]. C) [CV-1]. D) [CV]. Show Answer Correct Answer: B) [s4A2kg-1m-2]. 3. A small bottle has a mass of 20 g when empty. The volume of the bottle is 10 cm3 . When full of liquid, the total mass is 150 g. What is the density of the liquid? A) 0.50 g / cm3. B) 2.0 g / cm3. C) 13 g / cm3. D) 15 g / cm3. Show Answer Correct Answer: C) 13 g / cm3. 4. Sound of frequency below 20 Hz is called A) Infrasonic. B) Ultrasonic. C) Supersonics. D) Audio sounds. Show Answer Correct Answer: A) Infrasonic. 5. Which of the following describes projectile motion? A) Horizontal velocity changes in the whole travel. B) The object is affected by its mass. C) The shape of the path is circular. D) Vertical velocity changes constantly per time due to gravity. Show Answer Correct Answer: D) Vertical velocity changes constantly per time due to gravity. 6. What would happen to Earth's orbit if the Sun collapsed to a black hole? A) It would get sucked into it. B) It would get flung out of its orbit. C) Nothing. D) It would explode. Show Answer Correct Answer: C) Nothing. 7. The greater the mass of a substance, ..... A) The greater is the amount of heat transferred. B) The lesser is the amount of heat transferred. C) The amount of heat transferred is not affected. D) None of these. Show Answer Correct Answer: A) The greater is the amount of heat transferred. 8. What relationship exists between the specific heat and the amount of heat transferred? A) Direct proportionality. B) Direct square proportionality. C) Inverse proportionality. D) Inverse square proportionality. Show Answer Correct Answer: A) Direct proportionality. 9. In scientific notation, 674.3 mm equals A) 0.6743 x 10-3 mm. B) 6.743 x 103 km. C) 6.743 x 102 mm. D) 6.743 x 102 m. Show Answer Correct Answer: C) 6.743 x 102 mm. 10. The ability to do work is A) Power. B) Energy. C) Thermal. D) Kinetic. Show Answer Correct Answer: B) Energy. 11. Pick out the scalar quantity A) Force. B) Velocity. C) Pressure. D) Acceleration. Show Answer Correct Answer: C) Pressure. 12. The following quantity are examples of fundamental quantity EXCEPT A) Electrical quantity. B) Luminous intensity. C) Speed. D) Time. Show Answer Correct Answer: C) Speed. 13. Oil raise up the wick in a lamp. The principle involves A) Volatility of oil. B) The liquid state of oil. C) Capillary action phenomenon. D) The diffusion of oil through the wick. Show Answer Correct Answer: C) Capillary action phenomenon. 14. Distance traveled per unit of time A) Person. B) Speed. C) Direction. D) Movement. Show Answer Correct Answer: B) Speed. 15. UNIT OF MASS IS A) S. B) N. C) KG. D) KG/SEC. Show Answer Correct Answer: C) KG. 16. Finish this phrase "Matter tells spacetime how to curve, spacetime tells matter how to ..... " A) Move. B) Collapse. C) Expand. D) Rest. Show Answer Correct Answer: A) Move. 17. How far does a car that weighs 5, 000 N go if 18, 000 J of work is done on it? w=Fd A) 3.8 m. B) 3.7 m. C) 3.2 m. D) 3.6 m. Show Answer Correct Answer: D) 3.6 m. 18. Scalar Quantities are A) Physical quantities which have magnitude only and no direction. B) Physical quantities which have no magnitude only and only direction. C) Physical quantities which have magnitude only and direction. D) Physical quantities which have no magnitude and no direction. Show Answer Correct Answer: A) Physical quantities which have magnitude only and no direction. 19. If the acceleration of an object is zero, then that object cannot be moving. A) Either true or false. B) False. C) Neither true nor false. D) True. Show Answer Correct Answer: D) True. 20. Which condition is actual amount of water vapor in a mixture of air and water? A) Relative humidity. B) Dew point. C) Absolute humidity. D) None of above. Show Answer Correct Answer: C) Absolute humidity. ← 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