Free Practice Test Instructions:
Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!
Question 1 1. Platinum has a melting temperature of 3.215 * 103 °F. Express the melting temperature of platinum in Kelvin. (Tc = (5/9)(Tf - 32), T = Tc + 273.15)
Question 2 2. For the following heating curve, during which numbered section is the material in both liquid and gas states?
Question 3 3. In the vacuum of space, infrared radiation has a smaller frequency than ultraviolet radiation. What does this mean?
Question 4 4. Gold has a work function of 5.1 electron volts. In order to eject a photoelectron from the surface of gold, a photon must have a wavelength greater than
Question 5 5. Which type of radioactive decay involves the loss of a helium nucleus?
Question 6 6. Find the magnitude of the electrostatic force between a proton and electron that are 3.5 nm apart.
Question 7 7. Which diagram shows the correct representation of the electric field surrounding a positively charged and negatively charged sphere?
Question 8 8. As a wave moves through a medium, the particles of the medium move perpendicular to the direction of the wave's travel. This type of wave is a
Question 9 9. Which scientist contributed to the understanding of the wave-particle duality of light?
Question 10 10. Waves with an amplitude of 3 meters are hitting a dock every 5.5 seconds. If a person measures the distance between two successive crests to be 4.0 meters, what is the velocity of the waves?
Question 11 11. 65.0 N of force is applied to a wrench to create a net torque of magnitude 195 N*m. If the applied force is cut in half, how long must the wrench be to apply the same net torque?
Question 12 12. Which of the following distance versus time graphs best represents constant velocity?
Question 13 13. How much force is required to accelerate a 16 kg object at a rate of 5.5 m/s2?
Question 14 14. An arrow is released horizontally from a bow, traveling at a velocity of 10.5 m/s. If the arrow is released from a height of 10 meters, determine how far the arrow travels in a horizontal direction before hitting the ground.
Question 15 15. What is the induced emf for a coil that is turned 500 times if the coil experiences a change in flux linkage at the rate of 0.040 webers per second?
Explore our library of over 79,000 lessons
Browse by subject