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Which among the following are optical systems, which provide better isolation of spectral energy than the pptical filters.

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in Biomedical Instrumentation by (76.6k points)
Which among the following are optical systems, which provide better isolation of spectral energy than the pptical filters.

(a) Spectromators

(b) Monochromators

(c) Baromators

(d) Tocochromators

The question was asked in final exam.

Query is from Multi-Channel Wireless Telemetry System topic in section Biomedical Telemetry of Biomedical Instrumentation

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The correct answer is (b) Monochromators

The best explanation: Monochromators are optical systems, which provide better isolation of spectral energy than the optical filters, and are therefore preferred where it is required to isolate narrow bands of radiant energy. Monochromators usually incorporate a small glass of quartz prism or a diffraction grating system as the dispersing media.

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