CHAPTER FINAL EXAM PART 2 TAKE

Which of these forms of electromagnetic radiation is used in the treatment of cancer tumors?

•  

  Ultraviolet radiation

• gamma rays

•  

  Infrared radiation

•  

  All of these

•  

  Gamma radiation

  
  

Which of these forms of electromagnetic radiation has the highest energy?

•  

  X-rays

•  

  Microwaves

•  

  Radio waves

•  

  Infrared rays

•  

  Gamma rays

Which of these processes involve/involves the emission of light by the relaxation of excited electrons?

• photodecomposition

• phosphorescence

• flurescence

• spectroscopy

• both phosphorescence and fluorescence

Arrange these spectral regions in order of increasing frequency (X-rays, Microwaves, Ultraviolet, Visible).

•  

  Microwaves < Visible < Ultraviolet < X-rays

•  

  Microwaves < Visible < X-rays < Ultraviolet

•  

  Ultraviolet < X-rays < Visible < Microwaves

•  

  Ultraviolet < Visible < X-rays < Microwaves

•  

  X-rays < Microwaves < Ultraviolet < Visible

Which of these colors of visible light has the lowest energy?

• red

• orange

• yellow

• blue

• violet

If the molecules of an object absorb all light, the object appears _____.

• white

• blue

• black

• yellow

• red

The wavelength of visible light ranges from 400 _____ to 780 _____. 

•  

  micrometers; nanometers

•  kilometers; meters

• meters; meters

• millimeters ; centimeters

• nanometers ; nanometers

Which of these statements is/are true?

I. As wavelength increases, frequency decreases.

II. As energy increases, frequency decreases.

III. As wavelength increases, energy decreases.

IV. The product of wavelength and frequency is constant.

•  

  I, II, and IV

•  

  III and IV

•  

  II, III, and IV

•  

  I, II, and IV

•  

  I and II

Which of the following are examples of endothermic processes?
I. A cold pack

II. The evaporation of alcohol

III. The burning of gasoline

IV. The combustion of methanol

•  

  I and IV

•  

  II and III

•  

  I and III

•  

  I and II

• I, II, and III

Which of the following is/are an example/examples of an exothermic process?

I. Nuclear fission

II. The evaporation of alcohol

III. The burning of gasoline

• I ONLY

• II and III

• I AND III

• I AND II

• I ,II AND III