Electromagnetic Spectrum

1. In electromagnetic waves, the energy in the wave is computed by the formula E = hf where: h = plancks constant ( 6.63 x 10 power of -34 Js) and F= frequency of the wave. True or False?

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2. Which of the following statements is NOT TRUE about Infrared Radiation

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3. Electromagnetic waves are transverse waves which result from oscillating electric and magnetic fields at right angles to each other. True or False?

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4. Which of the following statements about X-rays is CORRECT?

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5. Which of the following is a beneficial use of X-rays?

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6. Define electromagnetic spectrum

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7. Which of the following is NOT a beneficial use of infrared radiation?

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8. Which of the following is NOT a beneficial use of Ultraviolet radiation?

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9. Which of the following statements about Gamma rays is CORRECT?

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10. Which of the following statements is TRUE about Ultraviolet Radiation (U.V)

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11. Mention 3 properties of electromagnetic waves

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12. Which of the following is a beneficial use of Radio waves?

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13. Which of the following is NOT a beneficial use of Gamma rays?

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14. Which electromagnetic wave is produced as a result of small energy changes in the electrons of an atom?

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15. Which of the following statement is TRUE about Radio waves?

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16. Which electromagnetic wave is produced as a result of large energy changes in the electrons of an atom?

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17. Mention 2 electromagnetic waves produced by the sun

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18. Mention the some of the hazards of electromagnetic waves

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19. Which electromagnetic wave is produced by magnetrons?

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20. State the energy formula of electromagnetic waves

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21. Which of the following is an example of electromagnetic waves?

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