Quiz – Electromagnetic spectrum & Magnetism Name: _________________________ 46 points + 3 EC = 49 points possible. 49/46 = 106% 1) TRUE or FALSE - All regions of the electromagnetic spectrum travel at the same wave speed. 2) TRUE or FALSE - The microwave region has a higher frequency than the x-ray region. 3) TRUE or FALSE - The infrared region has a smaller wavelength than the ultraviolet region. 4) TRUE or FALSE - The radio region has a higher frequency than the gamma ray region.. 5) TRUE or FALSE - The visual light region has a great energy than the microwave region. 6) TRUE or FALSE - The gamma ray region has a lower energy than the ultra violet region. 7) TRUE or FALSE - The x-ray region has a smaller wavelength than the infrared region. 8) TRUE or FALSE - The infrared region can be used to sterilize food. 9) TRUE or FALSE - The gamma ray region will destroy living tissue. 10) TRUE or FALSE - The x-ray region is used to send voice communications 11) TRUE or FALSE - The radio and visible light region can penetrate the earths atmosphere 12) TRUE or FALSE - The infrared region is what causes sun burns on your skin. 13) TRUE or FALSE - The radio region can be used to create images of cavities in teeth. 14) TRUE or FALSE - The wavelength for the color red has a greater energy than the color blue. 15) TRUE or FALSE - Yellow light has a lower frequency than green light. 16) TRUE or FALSE - Violet light has a higher wavelength than orange light. 17) TRUE or FALSE - Violet light has a higher wave speed than red light 18) TRUE or FALSE - The three primary colors of light are green, yellow, and red. 19) TRUE or FALSE - White light is comprised of all wavelengths of the visible spectrum. 20) TRUE or FALSE - The human eye is capable of seeing light between 20 Hz to 20,000 Hz Use the following terms to fill in the blank for each question (21 – 26) A) Transmit B) Absorb C) Reflect _______ 21) A ripe tomato will ____________ red light _______ 22) A glass of pink lemonade will ________ every wavelength except those creating pink _______ 23) A blue stained glass window will ________ yellow light _______ 24) A clean glass of water will __________ green light _______ 25) A ripe banana will ________ blue light _______ 26) Only the light that _______(ed) from an object will reach our eyes. For questions (27-31) Use the figures at right, to match the letter of the wave behavior with the corresponding description. ______27) Diffraction ______28) Total Internal Reflection ______29) The wave slowing down ______30) Reflection ______31) Refraction C Air A . Glass D B Air Glass 32) Using your knowledge of physics write a DETAILED description of the PHYSICS involved when a person sees a piece of blue plastic laying on the sunny beach. 2 points Use the following terms that best describe the boundary behavior (33-37) A) Reflection B) Refraction C) Dispersion ______33) The boundary behavior occurring at # 2 is _______ ______34) The boundary behavior occurring at # 3 is _______ ______35) The boundary behavior occurring at # 4 is _______ ______36) The boundary behavior occurring at # 5 is _______ ______37) The boundary behavior occurring at # 6 is _______ Air Water 38) What is the source of all magnetism? 39) An iron rod becomes magnetic when _______ 2 points 40) What will you get if you break a magnet into two pieces? 41) Which pole of a compass needle points to a south pole of a magnet? 42) Where is the Earth’s magnetic south pole located? 43) Explain how/why the “right hand rule” is useful. 44) Describe with details, what is created when an electric current flows through a metal wire. 2 points 45) What is the difference between a motor and a generator (A detailed physics answer is required) 2 points