Chemistry homework help

Chemistry homework help. Question 1. Question :Which wave does not need a medium?ocean wavesound waveX-rayseismic waveripples on waterQuestion 2. Question :Light passing through a window glass is an interaction calledtransmission.absorption.scattering.reflection.diffusion.Question 3. Question :The number of wave crests that go by a given point every second is called thewavelengthfrequencyvelocityamplitudeQuestion 4. Question :The speed of light is100,000 km/s200,000 km/s300,000 km/s400,000 km/sQuestion 5. Question :What causes an electromagnetic wave to be emitted?writing an equation that has the wave form in itdestructive interference of sound wavestrying to separate electrical from magnetic phenomenaacceleration of an electric chargeconstructive interference of any kind of waveQuestion 6. Question :The increase in frequency of an approaching source of electromagnetic radiation is termed thescattering effecttransmission factorDoppler effectabsorption spectrumQuestion 7. Question :Due to the Doppler effect, when a source of light approaches an observer, the light appears to be _______ than it actually is.brighterdarkerbluerredderQuestion 8. Question :The fundamental difference between electromagnetic waves and other types of waves is that electromagnetic wavesmove more slowly than all other types of waves.are invisible regardless of wavelength.do not experience constructive or destructive interference.transfer energy without transferring mass.all have the same wavelength.Question 9. Question :Which type of radiation can be used to sterilize medical equipment?microwave radiationultraviolet radiationfluorescenceinfrared radiationradio wavesQuestion 10. Question :Compared to microwave radiation, infrared radiationhas shorter wavelengths.has longer wavelengths.is a faster wave.is a slower wave.is visible to the human eye.Question 11. Question :The Doppler effect describeshow bats fly and locate their food.the way frequency of a wave appears to change from a moving source.sound wave frequency from a resting source.how dolphins navigate in the world’s oceans.how humans see the colors red and blue.Question 12. Question :The complete range of wavelengths of electromagnetic radiations in the universe isthe transmission factorthe spectrumthe scattering effectthe Doppler effectQuestion 13. Question :If you are observing a light source moving very rapidly towards you, the Doppler effect predicts that the light will beredshifted.blueshifted.bent.transmitted.radiated.

Chemistry homework help