Physics
2017 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE PH 2017 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.
Question 28
Open questionPHNAT2 marksNeeds review
A uniform volume charge density is placed inside a conductor (with resistivity
). The charge density becomes
of its original value after time ______ femto seconds. (up to two decimal places) (
)Log in to check the answer
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Open questionPHNAT2 marksNeeds review
Water freezes at
at atmospheric pressure (
). The densities of water and ice at this temperature and pressure are 1000 kg/m
and 934 kg/m
respectively. The latent heat of fusion is
, the pressure required for depressing the melting temperature of ice by
is ______ GPa. (up to two 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 30
Open questionPHMCQ2 marksNeeds review
The minimum number of NAND gates required to construct an OR gate is:
Your answerChoose one option.
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