Spectroscopy and the Doppler Effect Notes

 

1.     ____________ is a form of electromagnetic radiation.

 

2.     It travels in waves at a speed of __________________ meters/second.

 

3.     The source of e.r. is excited ______________.

 

4.     Different forms of __________ emit different wavelengths of light.

 

5.     The reason different forms of matter emit different forms of light is due to the molecular and/or atomic ________________ of the matter.

 

6.     Visible light has a wavelength range from ___________ to ___________.

 

7.     Light can be reflected, transmitted, or ______________ by matter.

 

8.     Light can also be __________.

 

9.     There are two ways two bend light:  ________________ and _______________.

 

10. Refraction:  A beam of light is bent when it crosses a boundary between substances of different ________________ ______________.

 

11. Diffraction: Light is also bent when it passes close to __________.

 

12.  An apparent shift in the wavelengths of light emitted by a light source moving away from or toward an observer is called the ______________ _____________.

 

13. A __________________ can measure wavelengths and any apparent shifting.

 

14. A _________ __________ means an object is moving towards an observer.

 

15.  A _________ __________ means an object is moving away from an observer.