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NDA Fluids and Pressure questions with solutions

Pressure, buoyancy and fluid behaviour. 10 questions from our 2016–2024 NDA pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.

NDA 2024

A solid body weighs 60 N in air and 40 N when completely immersed in water. Its relative density isNDA 2024 GAT · hard

NDA 2021

In a hydraulic press the area of the larger piston is 50 times that of the smaller piston. A force of 100 N applied on the smaller piston can lift a…NDA 2021 GAT · hard
A piece of ice floats in a glass filled to the brim with water. When the ice melts completely, the waterNDA 2021 GAT · hard

NDA 2020

A hydraulic lift used to raise vehicles in a service station works on the principle ofNDA 2020 GAT · easy
The density of ice is 900 kg/m^3 and that of water is 1000 kg/m^3. A floating block of ice has what fraction of its volume below the water surface?NDA 2020 GAT · medium

NDA 2019

A block of ice floats in a beaker filled to the brim with water. When the ice melts completely, the water level willNDA 2019 GAT · hard

NDA 2018

The gauge pressure at a depth of 10 m in water is (density of water = 1000 kg/m³, g = 10 m/s²)NDA 2018 GAT · medium
A solid body floats in water with three-fourths of its volume submerged. The density of the body is (density of water = 1000 kg/m³)NDA 2018 GAT · hard

NDA 2017

Buoyancy: 1. The buoyant force on a body equals the weight of the fluid displaced by it. 2. A body floats in a liquid if its density is greater than…NDA 2017 GAT · medium

NDA 2016

A block of ice floats in a beaker of water. When the ice melts completely, the water level in the beakerNDA 2016 GAT · hard

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