As you are looking for the last year question paper of GATE Instrumentation Engineering Exam, so here I am sharing the same with you

The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of combinations for which the output is logic 1, is
(A) 4 (B) 6 (C) 8 (D) 10

A psychrometric chart is used to determine
(A) pH (B) Sound velocity in glasses
(C) 2 CO concentration (D) Relative humidity

An LED emitting at 1 m with a spectral width of 50 nm is used in a Michelson interferometer. To obtain a sustained interference, the maximum optical path difference between the two arms of the interferometer is
(A) 200 m (B) 20 m (C) 1 m (D) 50 nm

Light of wavelength 630 nm in vacuum, falling normally on a biological specimen of thickness10 m, splits into two beams that are polarized at right angles. The refractive index of the tissue for the two polarizations are 1.32 and 1.333. When the two beams emerge, they are out of phase by
(A) 0.13 (B) 74.3 (C) 90.0 (D) 128.6







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Attached Files

GATE Instrumentation Engineering Question Paper.pdf (334.6 KB, 55 views)