Download App

9.1 , fluid mechanics — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics9.1 , fluid mechanics1 Mark
MCQ
Force in Column - $\mathrm{I}$ and its use is in Column - $\mathrm{II}$ are given. Match them appropriately.
Column - $\mathrm{I}$ Column - $\mathrm{II}$
$(a)$ Cohesive force $(i)$ Useful for writing by chalk on blackboard.
$(b)$ Adhesive force $(ii)$ Useful in soldering.
  $(iii)$Useful for formation of spherical drops of liquid.
  • ✓
    $(a-iii),(b-i)$
  • B
    $(a-ii),(b-i)$
  • C
    $(a-iii),(b-ii)$
  • D
    $(a-i),(b-iii)$
✓

Answer

Correct option: A.
$(a-iii),(b-i)$
a
$(a-iii),(b-i)$

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

Explore more

More "M.C.Q (1 Marks)" from 9.1 , fluid mechanics→9.1 , fluid mechanics — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The acceleration of the moon just before it strikes the earth in the previous question is:
  1. 10ms-2
  2. 0.0027ms-2
  3. 6.4ms-2
  4. 5.0ms-2
→
The maximum energy in thermal radiation from a source occurs at the wavelength $4000Å$ . The effective temperature of the source is ....... $K$
→
At the top of the trajectory of a projectile, the directions of its velocity and acceleration are
→
Two cars are moving in the same direction with a speed of $30\ kph$ . They are separated from each other by $5\ km$ . Third car moving in the opposite direction meets the two cars after an interval of $4\ minutes$ . What is the speed of the third car ?..........$km/h$
→
A transverse harmonic wave on a string is given by $y(x, t)=5 \sin (6 t+0.003 x)$ where $x$ and $y$ are in $cm$ and $t$ in $sec$. The wave velocity is $...........\,ms ^{-1}$.
→
The ratio of escape velocity at earth $(v_e)$ to the escape velocity at a planet $(v_p)$ whose radius and mean density are twice as that of earth is
→
A body cools down from 65°C to 60°C in 5 minutes. It will cool down from 60°C to 55°C in:
  1. 5 Minutes.
  2. Less than 5 minutes.
  3. More than 5 minutes.
  4. Less than or more than 5 minutes depending on whether its mass is more than or less than 1kg.
→
Two particles are at rest on a straight track and they are separated from each other by $100\, m$. They start their motion in the same direction, with the same acceleration $10\, m/s^{-2}$. Their relative displacement after $10\, s$ will be
→
A projectile has the same range $R$ for two angles of projection. If $T_1$ and $T_2$ be the times of flight in the two cases, then $R$ is
→
If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body of mass m from the earth's surface to a height R equal to the radius of the earth is:

  1. $\frac{1}{2}\text{mgR}$

  2. $2\text{mgR}$

  3. $\text{mgR}$

  4. $\frac{1}{4}\text{mgR}$

→