NEET Physics Pressure in Fluids MCQ Question with Solution

Consider a diagram of a glass tube filled with mercury, closed at one end and inverted into a trough of mercury. What is the primary purpose of this setup?

A

To measure atmospheric pressure

B

To calculate fluid density

C

To demonstrate fluid flow

D

To observe capillary action

Correct Answer

Option A

Detailed Explanation

This setup is known as a mercury barometer, which measures atmospheric pressure by balancing the weight of mercury in the glass tube against atmospheric pressure.

Found an issue with this question?

Related Questions

More from Pressure in Fluids

Which of the following statements about pressure in fluids is correct?

Physics

Match Column-I with Column-II. Column-I Column-II (a) Absolute Pressure (i) Pressure at a given depth plus atmospheric pressure (b) Gauge ...

Physics

More from

Match Column-I with Column-II. Column-I Column-II (a) Streamline flow (i) Path of a fluid particle (b) Capillary action (ii) Rise of l...

(general)Physics

Match Column-I with Column-II. Column-I Column-II (a) Coefficient of viscosity (i) [ML -1 T -1 ] (b) SI unit of viscosity (ii) Pa ...

ViscosityPhysics

What is the essential principle that relates pressure differences to fluid velocity in Bernoulli's Principle?

Bernoulli's PrinciplePhysics

Explore More Questions

All Physics Questions Mechanical Properties of Fluids Questions