GATE 2019 PH - Physics Question Paper and Answer key
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GATE 2019 PH - Physics Question Paper along with the Answer key are given in the link below.

The GATE 2019 Physics examination was held on Feb 3rd, 2019.

Some sample questions from the GATE 2019 PH Question paper are given below.

1. In order to estimate the specific heat of phonons, the appropriate method to apply would be
(A)    Einstein model for acoustic phonons and Debye model for optical phonons
(B)    Einstein model for optical phonons and Debye model for acoustic phonons
©    Einstein model for both optical and acoustic phonons
(D)    Debye model for both optical and acoustic phonons

2. Two events, one on the earth and the other one on the Sun, occur simultaneously in the earth’s frame. The time difference between the two events as seen by an observer in a spaceship moving with velocity 0.5c in the earth’s frame along the line joining the earth to the Sun is At, where c is the speed of light. Given that light travels from the Sun to the earth in 8.3 minutes in the earth’s frame, the value of |At| in minutes (rounded off to two decimal places) is__________________

(Take the earth’s frame to be inertial and neglect the relative motion between the earth and the sun)

Click on the below link to download the complete Question Paper and Answer Key of GATE 2019 PH - Physics


Attached Files
.pdf   GATE 2019 PH - Physics Question Paper.pdf (Size: 678.42 KB / Downloads: 0)
.pdf   GATE 2019 PH - Physics Answer Key.pdf (Size: 56.76 KB / Downloads: 0)
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Question papers and answer keys of All subjects of GATE 2019 examination can be downloaded from

GATE 2019 Question Papers, Answer Keys and Solutions
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