हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ८

The unit of viscosity is

Advertisements
Advertisements

प्रश्न

The unit of viscosity is

विकल्प

  • Nm2

  • poise

  • kgms–1

  • No unit

MCQ
Advertisements

उत्तर

Poise

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Force and Pressure - Exercises [पृष्ठ १९]

APPEARS IN

सामाचीर कलवी Science [English] Class 8 TN Board
अध्याय 2 Force and Pressure
Exercises | Q I. 7. | पृष्ठ १९

संबंधित प्रश्न

A spherical ball is dropped in a long column of a viscous liquid. The speed of the ball as a function of time may be best represented by the graph 


What is Reynold’s number? Give its significance.


Define terminal velocity.


A block of Ag of mass x kg hanging from a string is immersed in a liquid of relative density 0.72. If the relative density of Ag is 10 and tension in the string is 37.12 N then compute the mass of Ag block.


Why two holes are made to empty an oil tin?


A small metal sphere of mass M and density d1, when dropped in a jar filled with liquid moves with terminal velocity after sometime. The viscous force acting on the sphere is (d2 = density of liquid and g = gravitational acceleration)


An incompressible liquid flows through a unifonn cross sectional tube with velocity 20 cm/s. If the thickness of liquid layer is 0.8 cm then velocity of gradient of flow is ____________.


Analogy

Viscous force: ______:: Buoyant force: ______.


A spherical solid ball of volume V is made of a material of density ρ1. It is falling through a liquid of density ρ22 < ρ1). Assume that the liquid applies a viscous force on the ball that is proportional to the square of its speed v, i.e., `"F"_"viscous"`= -kv2 (k > 0). The terminal speed of the ball is ______.


An incompressible liquid is flowing through a uniform cross-sectional tube with a velocity 12 cm/ s. If the thickness of liquid layer is 0.8 cm, what is the velocity gradient of that flow of liquid?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×