Q. Spectrography doesn’t compute the energy of frequency spectrum.

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Q. Which of the following source is used for exciting bodies electrically?

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Q. Which of the following is more used core in spectrometer?

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Q. Which of the following represents emission spectra?

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Q. Every spectrograph requires dispersion.

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Q. Dispersion of radiation is carried out by _____________

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Q. IR absorption pattern in absorption spectrography is known as___________

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Q. Which of the following represents the fingerprint region?

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Q. Ozone layer is in earth layer ______________

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Q. CFC causes ozone layer depletion.

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Q. Ozone depletion is higher at _______________

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Q. Which of the following is not poisonous to humans?

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Q. Toxic gases such as H₂S, nitrogen oxides causes ____________

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Q. NPL stands for _________________

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Q. VOC stands for _______________

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Q. Which of the following represents the allowed rate of CO₂?

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Q. Long path optical measurement uses _____________

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Q. Long path optical measurement has a range of several kilometres.

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Q. Which of the following is correct for proximity sensors?

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Q. Which of the following person used the name robot first time in print?

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