Question 1 1) wavelength 2) frequency 3) period 4) amplitude 5) energy

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Presentation transcript:

Question 1 1) wavelength 2) frequency 3) period 4) amplitude 5) energy The distance between successive wave crests defines the ________ of a wave.

Question 1 1) wavelength 2) frequency 3) period 4) amplitude 5) energy The distance between successive wave crests defines the ________ of a wave. Light can range from short-wavelength gamma rays to long-wavelength radio waves.

Question 2 Which of these is NOT a form of electromagnetic radiation? 1) gamma rays 2) infrared 3) sound 4) visible light 5) radio Which of these is NOT a form of electromagnetic radiation?

Question 2 Which of these is NOT a form of electromagnetic radiation? 1) gamma rays 2) infrared 3) sound 4) visible light 5) radio Which of these is NOT a form of electromagnetic radiation? Sound comes from pressure waves; all others are types of EM radiation of different wavelengths.

Question 3 1) radio & microwaves 2) X rays & ultraviolet light 3) infrared & gamma rays 4) visible light & radio waves 5) visible & ultraviolet light What types of Electro-Magnetic Radiation from space reach the surface of Earth?

Question 3 1) radio & microwaves 2) X rays & ultraviolet light 3) infrared & gamma rays 4) visible light & radio waves 5) visible & ultraviolet light What types of Electro-Magnetic Radiation from space reach the surface of Earth? Earth’s atmosphere allows radio waves & visible light to reach the ground.

Question 4 1) radius. 2) mass. 3) magnetic field. 4) temperature. 5) direction of motion. The frequency at which a star’s intensity is greatest depends directly on its

Question 4 1) radius. 2) mass. 3) magnetic field. 4) temperature. 5) direction of motion. The frequency at which a star’s intensity is greatest depends directly on its Wien’s Law means that hotter stars produce much more high frequency light.