Oil spreads on the surface of water because _____ – McqOptions

MCQOPTIONS

1.	Oil spreads on the surface of water because _____
A.	oil is lighter than water
B.	oil is heavier than water
C.	oil has low vapour pressure
D.	of surface tension effect
Answer» E.

Discussion

No Comment Found

Related MCQs

How does the viscosity of fluids vary with increase in temperature?
An increase in pressure of a liquid from 7.5 MPa to 15 MPa results into 0.2 percent decrease in its volume. The coefficient of compressibility of the liquid in m2/N is
A liquid compressed in cylinder has a volume of 0.04 m3 at 50 kg/cm2 and a volume of 0.039 m3 at 150 kg/cm2. The bulk modulus of liquid is
Newton’s law of viscosity states that:
A disc of radius R rotates at an angular velocity Ω inside a disc shaped container filled with oil of viscosity μ, as shown in figure. Assuming a linear velocity profile and neglecting shear stress on the outer disc edges, the formula for viscous torque on the disc is
A fluid near a solid wall has an approximated velocity profile given by \(u\left( y \right) = \;{U_\infty } \times \sin \left( {\frac{{\pi y}}{{2\delta }}} \right),\;0 \le y \le \delta \) . The walls shear stress is given by:
An ideal fluid:
Mercury does NOT wet the glass. This is due to the property of the liquid known as
If angle of contact of a drop of liquid is acute, then
If the surface tension of the soap bubble is 0.035 N/m, then the work done in blowing the soap bubble of radius 5 cm in the air is.