HomeBrowseBy SubjectTrendsDeep InsightsInsightsAbout
Start free trial
Home / Density / Chronology

Density

19 PYQ across 4 exams · 1979–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CDS 2018 → NDA 2021 → GEO 2022
19791 PYQ
CSEQ51
One litre of cold air weighs heavier than the dry air ( 1 Lit) because of the…
19811 PYQ
CSEQ39
If water contracts on freezing, which of the following would happen?…
19821 PYQ
CSEQ37
When a ship enters a sea from a river, its portion under water will…
19861 PYQ
CSEQ21
A small wooden block is floating in a tub of water. The water is gradually heated. The volume of the wooden block visible above the water le…
19881 PYQ
CSEQ24
Balloon filled with air is weighed (W) so that it just floats in water as shown in the figure. When it is further pushed by a short distance…
20001 PYQ
CSEQ29
A 'black hole' is a body in space which does not allow any radiation to come out. This property is due to its…
20181 PYQ
CDSQ8
If two miscible liquids of same volume but different densities P1 and P2 are mixed, then the density of the mixture is given by…
20191 PYQ
CDSQ59
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (g…
20211 PYQ
NDAQ52
Which one of the following regarding density of water at atmospheric pressure is correct ?…
20224 PYQs
GEOQ2
Which one of the following has the least density at room temperature?…
GEOQ14
Which one of the following gases is the lightest?…
NDAQ63
An object is made of two equal parts by volume; one part has density ρ₀ and the other part has density 2ρ₀. What is the average density of t…
NDAQ134
The volume of a sealed packet is 1 litre and its mass is 800 g. The packet is first put inside water with density 1 g cm⁻³ and then in anoth…
20232 PYQs
NDAQ108
An iron nail sinks in water whereas an iron ship floats. Which of the following statements is correct in this regard ? 1. Average density of…
NDAQ53
A sphere of volume V is made of a material with lower density than water. While on Earth, it floats on water with its volume f1V (f1 < 1) su…
20243 PYQs
NDAQ92
A pumpkin weighs 7.5 N. On submerging it completely in water, 3/4 L of water gets displaced. The acceleration due to gravity at the place wh…
NDAQ114
At which temperature does liquid water show maximum density ?…
NDAQ56
A spherical shell of outer radius R and inner radius R/2 contains a solid sphere of radius R/2 (see figure). The density of the material of …
20261 PYQ
GEOQ104
The diameter of a sphere and the side of a cube are of equal length. Which one of the following is the correct ratio of their mass if both o…
Related concepts — explore their timelines too
BuoyancyAnomalous expansion of waterMechanicsFloatationGas lawsVolumeGravity
← Back to Density
CrispUPSC · YouTube · Telegram · About · What’s New · invite-only beta
💬 Feedback

Send feedback