Physics Questions And Answers :: Electromagnetic Waves: part2



Basic Science : Electromagnetic Waves QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

6.Which one of the following is an example biaxial crystal

Tourmaline
Quartz
Calcite
Mica

7.Tourmaline crystal is

an uniaxial crystal
a biaxial crystal
an opaque crystal
a single refracting crystal

8.The planes of vibrations of the extraordinary and the ordinary rays are

parallel to each other
perpendicular to each other
making an angle of 57.5° with the axis
making an angle of 32.5° with the axis

9.Nicol prism is used to produce

diffraction of light
polarized light
spectrum
refraction of light

10.Polaroid are used in aero planes to

reduce pressure
increase incoming radiations
reduce incoming radiations
increase pressure

More Electromagnetic Waves QUESTIONS AND ANSWERS available in next pages

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