Discussion
Which of the following institutions in collaboration with the NASA-Caltech from the US and Sweden's University of Gothenburg has developed a low-cost camera setup which can provide multispectral imaging of four chemical species in a flame using single DSLR camera?
Answer: A
The official key names the Indian Institute of Technology (IIT) Indore, and that is the answer recorded here. The work described is a low-cost flame-imaging set-up: a single DSLR camera is combined with optical filtering so that the emission of several chemical species in a flame can be separated into bands and mapped in one exposure, which normally needs far costlier spectroscopic equipment. The question links the institute with a NASA-Caltech group in the United States and the University of Gothenburg in Sweden. IIT Bombay, IIT Delhi and IIT Madras are the other institutes offered; the key does not credit any of them with this collaboration. This is a recall item, so the explanation rests on the official key and the description given in the question.
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