Physics
2018 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.
Question 45
Open questionPHNAT2 marksNeeds review
The absolute value of the integral
over the circle
in complex plane, is ______ (up to two decimal places).Log in to check the answer
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Open questionPHNAT2 marksNeeds review
A uniform circular disc of mass
and radius
is rotating with angular speed
about an axis passing through its center and making an angle
with the axis of the disc. If the kinetic energy of the disc is
, the value of
is ______ (up to 2 decimal places).
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 47
Open questionPHNAT2 marksNeeds review
The ground state energy of a particle of mass
in an infinite potential well is
. It changes to
, when there is a small potential bump of height
and width
, as shown in the figure.
The value of
is ______ (up to two decimal places).Log in to check the answer
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