HomeBrowseBy SubjectTrendsDeep InsightsInsightsAbout
Start free trial
Home / Buoyancy / Chronology

Buoyancy

26 PYQ across 5 exams · 1979–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1979 → CDS 2019 → … → GEO 2023
19791 PYQ
CSEQ47
A body partially floats in wafer when…
19811 PYQ
CSEQ40
When the ice floating in a glass of water melts, the level of water will…
19821 PYQ
CSEQ37
When a ship enters a sea from a river, its portion under water will…
19852 PYQs
CSEQ31
Ice cubes are floating in a glass of water. When the ice cubes melt, the water level in the glass…
CSEQ35
The centre of gravity of the floating ship…
19862 PYQs
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…
CSEQ22
If a toy boat in a tank sinks, the level of water will…
19882 PYQs
CSEQ15
On the Moon, astronauts inflate a rubber balloon with hydrogen gas and release it at a height of 2 metres. The balloon will…
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…
19891 PYQ
CSEQ37
A boat filled with some stones is floating in water. the stones are dropped into the water, the level of the water will…
19901 PYQ
CSEQ17
Assertion (A): When a ship moves from the sea water into fresh water of a river, the ship will relatively sink. Reason (R) : The density of …
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…
20201 PYQ
EPFOQ120
A hollow closed cube of side 10 cm, each weighing 200 gm, is made. This cube is placed in water with a horizontal face. How many cm of its h…
20211 PYQ
NDAQ114
Buoyancy is a/an…
20222 PYQs
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…
NDAQ95
All objects experience a buoyancy when they are immersed in a fluid. Buoyancy is…
20233 PYQs
GEOQ99
The force of buoyancy on an object floating on water is F, while it is S on an object that sinks in water. The weight of both the objects is…
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…
20242 PYQs
NDAQ64
Shown in the figure are two hollow cubes C1 and C2 of negligible mass partially filled (depicted by darkened area) with liquids of densities…
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…
20253 PYQs
CDSQ26
A body floats in a liquid if the buoyant force is :…
CDSQ27
A metallic sphere of mass 1 kg and volume 2 × 10⁻⁴ m³ is completely immersed in water. The buoyant force exerted by water on the sphere is :…
NDAQ137
When a solid body is partially or completely immersed in a fluid, the fluid exerts an upward force on the body. The magnitude of the force i…
20262 PYQs
GEOQ108
A block of wood floats in water with 3/4th of its volume submerged. The same block floats in another fluid with 2/3rd of its volume submerge…
NDAQ59
A floating body is in stable state. Which one of the following is correct?…
Related concepts — explore their timelines too
DensityArchimedes principleFloatationDisplacementVolume
← Back to Buoyancy
CrispUPSC · YouTube · Telegram · About · What’s New · invite-only beta
💬 Feedback

Send feedback