Quiz 2 2 Electromagnetic Spectrum PDF

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Quiz 2.2 Electromagnetic Spectrum 1. Einstein's equation, E = mc2 , states that mass can be converted into A. light, B. energy, C. acceleration, D. force 2. Power is expressed in A. newtons, B. joules, C. calories, D. watts 3. Energy is expressed in A. newtons, B. joules, C. calories, D. watts 4. The major source of energy that powers activities on the Earth is A. gravity, B. radioactive isotopes, C. ocean currents, D. the Sun 5. Energy is defined as A. the amount of force applied through a distance, B. the ability to do work C. the product of mass times acceleration, D. the amount of work done per unit time 6. The rating of a light bulb at 100 watts indicates A. the length of time before the bulb burns out. B. the amount of heat that radiates from the bulb C. the rate of energy that the bulb consumes, D. the amount of light the bulb produces 7. Which type of energy is involved when a baseball bat hits a ball A. potential energy, B. thermal energy, C. wave energy, D. kinetic energy 8. The energy that is present in the gasoline in your automobile's fuel tank is A. potential energy, B. chemical energy, C. kinetic energy, D. thermal energy 9. The first law of thermodynamics states that A. potential energy is always greater than kinetic energy B. energy can be neither created or destroyed, it can only be converted from one form to another C. in an isolated system, the total amount of energy is constantly depleted D. it is impossible to convert heat energy into kinetic energy 10. As work is performed on the planet Earth, excess energy is lost in the form of A. heat, B. kinetic energy, C. potential energy, D. trophic energy 11. The kinetic energy of atoms and molecules is also know as A. gravity, B. power, C. magnetism, D. heat 12. In the Kelvin scale, water boils at A. 32 degrees, B. 100 degrees, C. 212 degrees, D. 373 degrees 13. A calorie is the amount of heat energy necessary to raise the temperature of one gram of water by one degree A. Celsius, B. Fahrenheit, C. Kelvin, D. English 14. The tendency of ordered isolated systems to spontaneously become disordered is referred to as A. thermal decay, B. molecular inefficiency, C. atomic conductivity, D. entropy 15. At which temperature does water freeze in the Kelvin scale? A. 0 degrees, B. 100 degrees, C. 273 degrees, D. 32 degrees 16. The Sun transfers most of its heat by means of A. radiation, B. conduction, C. convection, D. infusion 17. The measure of the quantity of heat contained in an object is referred to as its A. temperature, B. thermal energy, C. heat capacity, D. heat transfer ability

GED5300 The Science of Everyday Life. ©Algonquin College 2007

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Quiz 2.2 Electromagnetic Spectrum

18. Water freezes at 32 degrees in the _______ temperature scale. A. Celsius, B. Fahrenheit, C. Kelvin, D. English 19. The temperature at which all atomic and molecular kinetic motion ceases is A. 0 degrees C, B. 0 degrees K, C. 0 degrees F, D. – 273 degrees K 20. The speed of light is A. 100,000 km/s, B. 200,000 km/s, C. 300,000 km/s, D. 400,000 km/s 21. The number of wave crests that pass by a given point every second is called the A. wavelength, B. frequency, C. velocity, D. amplitude 22. A Hertz (Hz) is defined as A. a frequency of one cycle per second, B. a wavelength of one cycle per second C. a velocity of one cycle per second, D. an amplitude of one cycle per second 23. Heat can be detected as ________ radiation A. microwave, B. radio wave, C. gamma, D. infrared 24. A sunburn is the result of excessive exposure to _________ radiation. A. microwave, B. ultraviolet, C. infrared, D. gamma 25. Modern medicine uses which of the following rays to destroy tumors and cancers? A. microwave, B. infrared, C. gamma, D. ultraviolet 26. Which is the highest energy wave of the electromagnetic spectrum? A. microwave, B. infrared, C. gamma, D. ultraviolet 27. The conversion of electromagnetic energy into heat energy is called A. reflection, B. scattering, C. refraction, D. absorption 28. This type of radiation can cause skin cancer. A. ultraviolet, B. infrared, C. radio waves, D. gamma rays 29. When a source of light approaches an observer, the light appears to be _______ than it actually is. A. brighter, B. darker, C. bluer, D. redder 30. The increase in frequency of an approaching source of electromagnetic radiation is termed the A. scattering effect, B. transmission factor, C. Doppler effect, D. absorption spectrum

GED5300 The Science of Everyday Life. ©Algonquin College 2007

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