When fluids are heated from the bottom, convection currents are produced because
Physics · NEET · NTA Exams — Properties of Solids and Liquids
When fluids are heated from the bottom, convection currents are produced because
- Molecular motion of fluid becomes aligned
- Molecular collisions take place within the fluid
- Heated fluid becomes denser than the cold fluid above it
- Heated fluid becomes less dense than the cold fluid above it
Answer
(D) Heated fluid becomes less dense than the cold fluid above it
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Assertion : The absorbance of a perfect black body is unity. Reason : A perfect black body when heated emits…
- Assertion : The equivalent thermal conductivity of two plates of same thickness in contact (series) is less…
- Two solid spheres of same metal but of mass M and 8M fall simultaneously in a viscous liquid and their…
- A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius were halved and…
- The following statement is NOT TRUE regarding Surface Tension
- The thermo emf of a thermocouple varies with the temperature θ of the hot junction as E = a θ + b θ 2 in…
- A spherical ball contracts in volume by 0.015% when subjected to a pressure of 75 atmospheres. If one…
- A wire of length L and radius r is fixed at one end. When a stretching force F is applied at free end, the…
More Properties of Solids and Liquids questions · Browse all practice questions