Download App

PART - 2 CH - 9 Mechanical Properties of Fluids — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsPART - 2 CH - 9 Mechanical Properties of Fluids5 Marks
Question
Write the effect of various factors on surface tension.
✓

Answer

SELF

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 "5 Marks Questions" from PART - 2 CH - 9 Mechanical Properties of Fluids→PART - 2 CH - 9 Mechanical Properties of Fluids — all question types→Physics STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Derive an expression for the velocity of the two masses $m_1$ and $m_2$ moving with speeds $u_1$ and $u_2$ undergoing elastic collision in one dimension.
→
A calorimeter of negligible heat capacity contains 100 cc of water at $40^{\circ} \mathrm{C}$. The water cools to $35^{\circ} \mathrm{C}$ in 5 minutes. The water is now replaced by K -oil of equal volume at $40^{\circ} \mathrm{C}$. Find the time taken for the temperature to become $35^{\circ} \mathrm{C}$ under similar conditions. Specific heat capacities of water and K -oil are $4200 \mathrm{Jkg}^{-1} \mathrm{~K}^{-1}$ and $2100 \mathrm{Jgg}^{-1} \mathrm{~K}^{-1}$ respectively. Density of K-oil $=800 \mathrm{kgm}^3$.
→
A long solenoid of radius $2cm$ has $100$ turns/cm and carries a current of $5A$. A coil of radius 1cm having $100$ turns and a total resistance of $2\Omega$ is placed inside the solenoid coaxially. The coil is connected to a galvanometer. If the current in the solenoid is reversed in direction, find the charge flown through the galvanometer.
→
A rectangular box lies on a rough inclined surface. The coefficient of friction between the surface and the box is $\mu$. Let the mass of the box be m.
  1. At what angle of inclination $\theta$ of the plane to the horizontal will the box just start to slide down the plane?
  2. What is the force acting on the box down the plane, if the angle of inclination of the plane is increased to a $\theta>$?
  3. What is the force needed to be applied upwards along the plane to make the box either remain stationary or just move up with uniform speed?
  4. What is the force needed to be applied upwards along the plane to make the box move up the plane with acceleration a?
→
What is a thermometer? What things should be kept in mind while designing a thermometer? Explain to them.
→
Explain the Newton's law of gravity. Write the value, unit and dimension of universal constant of gravitation. Why is it called universal? Or Write Newton's law of gravity. Define universal gravitational constant (G). Also write its units and dimensional formula.
→
Suppose the particle of the previous problem has a mass m and a speed v before the collision and it sticks to the rod after the collision. The rod has a mass M:
  1. Find the velocity of the centre of mass C of the system constituting ''The rod plus the particle''.
  2. Find the velocity of the particle with respect to C before the collision.
  3. Find the velocity of the rod with respect to C before the collision.
  4. Find the angular momentum of the particle and of the rod about the centre of mass C before the collision.
  5. Find the moment of inertia of the system about the vertical axis through the centre of mass C after the collision.
  6. Find the velocity of the centre of mass C and the angular velocity of the system about the centre of mass after the collision.
→
The plates of a capacitor are 2.00cm apart. An electronproton pair is released somewhere in the gap between the plates and it is found that the proton reaches the negative plate at the same time as the electron reaches the positive plate. At what distance from the negative plate was the pair released?
→
Three masses, each equal to M, are placed at the three corners of a square of side 'a'. Calculate the force of attraction on unit mass at the fourth corner.
→
A gas mixture consists of $2.0$ moles of oxygen and $4.0$ moles of neon at temperature T. Neglecting all vibrational modes, calculate the total internal energy of the system. (Oxygen has two rotational modes.)
→