Hydrostatic pressure in a fluid increases linearly with depth. The significant pressure difference between the external water pressure and the internal ear pressure is the cause of potential ear drum damage for divers.
A deep sea diver may hurt his ear drum during diving because of
Asked in UPSC NDA 1 2015 · Topic: Mechanics (Fluid Statics and Dynamics (Continuity Equation, Bernoulli's Theorem))
More Physics questions
- A container is first filled with water and then the entire water is replaced by mercury. Mercury has a density of 13·6 × 10³ kg/m³. If X is the weight of the water and Y is the weight of the mercury, then
- Whether an object will float or sink in a liquid, depends on
- Which of the following statements about a fluid at rest in a cup is/are correct ? 1. Pressure is same at all the points in the fluid. 2. Pressure is exerted on the walls. 3. Pressure exists everywhere in the fluid. Select the correct answer using the code given below :
- All objects experience a buoyancy when they are immersed in a fluid. Buoyancy is
- A wooden box of mass 2 kg and dimensions (30 cm $\times$ 15 cm $\times$ 10 cm) is placed on a table with sides 30 cm and 10 cm touching the tabletop. Which one of the following is the approximate pressure exerted on the table?
- 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) submerged. On the other hand, on a spaceship accelerating with acceleration a < g (g is the acceleration due to gravity on Earth) in outer space, its submerged volume in water is f₂V. Then:
- Which one of the following statements is not correct?
- Pressure is a scalar quantity because