Pressure, Thrust and Density 8 PYQs

• A force of 200 N is applied uniformly on a rectangular plate of area (0.02mathrmm2). What is the pressure exerted on the plate?Delhi Police 2026 · 20 Jan 2026
• The same force is applied on two blocks, one with a small contact area and the other with a larger contact area, both resting on soft sand. Which…Delhi Police 2026 · 20 Jan 2026
• What is the relationship between thrust and pressure for a given area?SSC CHSL 2025 · 26 Nov 2025
• What happens to the pressure when the area is reduced while keeping the force same?SSC CHSL 2025 · 14 Nov 2025
• What is the force acting on a unit area of a surface called?SSC CHSL 2025 · 14 Nov 2025
• What is the formula for pressure?SSC CHSL 2025 · 13 Nov 2025
• Which of the following factors determine the state of a substance whether it will be solid, liquid or gas?SSC CHSL 2025 · 26 Nov 2025
• -What is the change of state from liquid to solid at atmospheric pressure known as?SSC CHSL 2025 · 13 Nov 2025

Pressure in Liquids, Pascal's Law and Hydraulic Machines 2 PYQs

• With increase in depth in a liquid at rest, how does the pressure at a point inside the liquid change?Delhi Police 2026 · 21 Jan 2026
• In a hydraulic lift, a small piston of area (0.005mathrmm2) is used to lift a car resting on a large piston of area (0.5mathrmm2). If a force of…Delhi Police 2026 · 20 Jan 2026

Atmospheric Pressure and Barometer 4 PYQs

• Why are pressure cookers faster than open cooking?SSC Stenographer 2026 · 10 Sep 2026
• Which instrument measures atmospheric pressure?SSC Stenographer 2026 · 15 Sep 2026
• Which of the following is measured using a barometer?SSC Selection Post 2025 · 28 Jul 2025
• Why we are not crushed under the large atmospheric pressure?SSC CHSL 2025 · 15 Nov 2025

Archimedes' Principle, Buoyancy and Floatation 3 PYQs

• What is used to determine the density of liquids?SSC MTS 2026 · 13 Feb 2026
• The magnitude of buoyant force depends on the _________ of the fluid.SSC CHSL 2025 · 27 Nov 2025
• When a body is immersed in a fluid and displaces the fluid, which force is produced?RRB NTPC 2025 · 24 Jun 2025

Surface Tension, Capillarity and Viscosity 2 PYQs

• What is the frictional force exerted by fluids known as?SSC MTS 2026 · 05 Feb 2026
• The dimension of surface tension is _____.RRB 2025 · 02 May 2025

Fluid Flow and Bernoulli's Principle 1 PYQs

• An ideal gas expands at constant pressure of (1.0 times 105 mathrm~Pa) from a volume of (0.02 mathrm~m3) to (0.06 mathrm~m3). What is the work done…Delhi Police 2026 · 16 Jan 2026

Elasticity: Stress, Strain and Hooke's Law 2 PYQs

• A gas expands in such a way that its pressure remains constant throughout the process. What is this type of thermodynamic process called?Delhi Police 2026 · 21 Jan 2026
• A wire of length L and diameter d extends under a tensile force F. If both its length and diameter are doubled while the same force is applied, what…SSC CGL 2026 · 05 Oct 2026