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Thermal expansion

4 PYQ across 3 exams · 1979–2021 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CDS 2014 → GEO 2021
19791 PYQ
CSEQ54
An ordinary clock loses time in summer. This is because…
20141 PYQ
CDSQ119
A metal screw-top on a glass bottle which appears to be stuck could be opened by using the fact that…
20151 PYQ
CDSQ14
A metallic plate sticks firmly on the mouth of a water filled vessel made from another metal. By way of heating, one can detach the plate fr…
20211 PYQ
GEOQ62
A copper rod of length 1 m is initially at room temperature. If the temperature of the rod is increased by 100 °C, what will be the change i…
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