Spectrometer Grating Viva Questions and Answers
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Question-1. What is plane transmission diffraction grating?
Answer-1: A plane transmission diffraction grating is an optically plane parallel glass plate on which equidistant, extremely close grooves are made by ruling with a diamond point.
Question-2. In our experiment. What class of diffraction does occur and how?
Answer-2: Fraunhofer class of diffraction occurs. Since the spectrometer is focused for parallel rays, the source and the image are effectively at infinite distances from the grating.
Question-3. How are the commercial gratings are made?
Answer-3: A commercial gratings is made by pouring properly diluted cellulose acetate on the actual grating and drying it to a thin strong film. The film is detached from the original grating and is mounted between two glass plates. A commercial grating is called replica grating. In our experiment we use plane type replica grating.
Frequently Asked Question and Answer on Spectrometer Grating
Spectrometer Grating Interview Questions and Answers in PDF form Online
Spectrometer Grating Questions with Answers
Spectrometer Grating Trivia MCQ Quiz
