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Chapter 3 FREQUENCY AND ROTATIONAL MCQs

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1. . Which of the following cannot be used as a unit for frequency?





2. . What will be the frequency of a system in which 35 events occur in 7 seconds?





3. . Which of the following device can be used for measurement of frequency?





4. . All waves in electromagnetic spectrum have the same speed in vacuum.



5. . In a dispersive medium, speed of light depends on frequency.



6. . In SI system the unit for speed is written as





7. . An average speed is equal to the total distance which is travelled divided by the





8. . The types of frequency distribution are





9. . LED and laser emit radiation in ___________





10. . Which of the following can be affected by atmospheric path disturbances?





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