HomeBrowseBy SubjectTrendsDeep InsightsInsightsAbout
Start free trial
Home / Radioactivity / Chronology

Radioactivity

9 PYQ across 5 exams · 2001–2024 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2001 → CAPF 2015 → … → GEO 2023
20011 PYQ
CSEQ25
Which one of the following is not radioactive? (2001)…
20152 PYQs
CAPFQ122
In a radioactive decay of a nucleus, an electron is also emitted. This may happen due to the fact that :…
CDSQ5
In an observation, α-particles, β-particles and γ-rays have same energies. Their penetrating power in a given medium in increasing order wil…
20161 PYQ
CDSQ17
In the gamma decay of a nucleus…
20171 PYQ
CAPFQ87
The mass number of an element is NOT changed when it emits…
20201 PYQ
CDSQ111
The radioactive isotope of hydrogen is…
20211 PYQ
NDAQ123
Which one of the following elements' isotopes is used in the treatment of cancer ?…
20231 PYQ
GEOQ19
The phenomenon of radioactivity was first discovered by…
20241 PYQ
CAPFQ12
The isotope of which one among the following elements is used in the treatment of cancer?…
Related concepts — explore their timelines too
Isotopes
← Back to Radioactivity
CrispUPSC · YouTube · Telegram · About · What’s New · invite-only beta
💬 Feedback

Send feedback