Will you please provide me the sample question paper of GATE Instrumentation Engineering (IN) Exam???

Here is the sample question paper of GATE Instrumentation Engineering (IN) Exam

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 micro meter 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 micro meter
(B) 20 micro meter
(C) 1 micro meter
(D) 50 nm

A double convex lens is used to couple a laser beam of diameter 5 mm into an optical fiber with a numerical aperture of 0.5. The minimum focal length of the lens that should be used in order to focus the entire beam into the fiber is
(A) 1.44 mm
(B) 2.50 mm
(C) 4.33 mm
(D) 5.00 mm







Rest of the Questions are attached in below file which is free of cost

Attached Files

GATE IN Question paper.pdf (334.6 KB, 72 views)