The turn table is a part of
Correct answer: A. Spectrometer
- A. Spectrometer
- B. Telescope
- C. Microscope
- D. Interferometer
Explanation
A spectrometer is an instrument used to measure the properties of light over a specific portion of the electromagnetic spectrum. A turntable is part of a spectrometer that is used to hold a sample and rotate it so that it can be exposed to the light source from different angles. This helps to obtain a more complete analysis of the light spectrum emitted or absorbed by the sample.
This question appeared on the ETEA MDCAT 2010 paper, which you can sit online with every answer explained.
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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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