MCQ
As the temperature of water increases, its viscosity
  • A
    Remains unchanged
  • Decreases
  • C
    Increases
  • D
    Increases or decreases depending on the external pressure

Answer

Correct option: B.
Decreases
b
(b)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

A force $\vec F = 5\hat i + 6\hat j - 4\hat k$ acting on a body, produces a displacement $\vec s = 6\vec i + 5\vec k.$ Work done by the force is......$ units$
Two bar magnets of the same mass, length and breadth but magnetic moments $M$ and $2\,M$ respectively, when placed in same position, time period is $3 \,sec$. What will be the time period when they are placed in different position
The mass of moon is $7.34 \times {10^{22}}\,kg$ and radius of moon is $1.74 \times {10^6}\,m$ then The value of gravitation accelaration will be ....... $N/kg$
Which of the following statement is true
A coil has resistance $30$ ohm and inductive reactance $20$ ohm at $50\,\, Hz$ frequency. If an ac source, of $200\,\, volt,\,\, 100\,\, Hz,$ is connected across the coil, the current in the coil will be ......$A$
In a capillary tube experiment, a vertical $20 \,cm$ long capillary tube is dipped in water. The water rises up to a height of $8\,cm$ due to capillary action. If this experiment is conducted in a freely falling elevator, the length of the water column becomes ....... $cm$
When vector $\overrightarrow{ A }=2 \hat{ i }+3 \hat{ j }+2 \hat{ k }$ is subtracted from vector $\vec{B}$, it gives a vector equal to $2 \hat{j}$. Then the magnitude of vector $\vec{B}$ will be:
A plank is resting on a horizontal ground in the northern hemisphere of the earth at a $45^{\circ}$ latitude. Let the angular speed of the earth be $\omega$ and its radius $r_e$. The magnitude of the frictional force on the plank will be
The ground state energy of hydrogen atom is $-13.6  \,eV$. What is the potential energy of the electron in this state.......$eV$
Kinetic energy of a particle executing simple harmonic motion in straight line is $pv^2$ and potential energy is $qx^2$, where $v$ is speed at distance $x$ from the mean position. It time period is given by the expression