Basic Science : Electromagnetic Waves QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.On rotating the analyzer if the intensity of light rays coming out of it varies from maximum to zero, then the incident beam of light is |
| un-polarized |
| plane polarized |
| partially polarized |
| polarized |
2.Which one of the following cannot be polarized |
| sound waves |
| X-rays |
| microwaves |
| radio waves |
3.Light waves are |
| longitudinal |
| transverse |
| like sound waves |
| like pressure waves |
4.The light which cannot be completely plane polarized by reflection is |
| red color |
| green color |
| white color |
| blue color |
5.Brewster’s law in polarization of light by reflection states that |
| µ = 1/tan ip |
| tan ip = µ |
| tan r = µ |
| tan-1(ip) = µ |
More Electromagnetic Waves QUESTIONS AND ANSWERS available in next pages
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