If a wave can be polarized, it must be:
Correct answer: C. Transverse wave
- A. An electromagnetic wave
- B. A stationary wave
- C. Transverse wave
- D. A longitudinal wave
Explanation
Transverse waves which include all electromagnetic waves such as light, radio waves, and x-rays can be polarized, hence the answer will be C.
This question appeared on the ETEA MDCAT 2009 paper, which you can sit online with every answer explained.
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About Optics
Light is studied through reflection, refraction, dispersion, interference, diffraction and polarization, linking ray behavior with its wave nature. Questions may involve mirrors, lenses, optical instruments, refractive index and image formation, while geometrical optics deals with rays and wave optics explains effects such as interference and diffraction.
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