TS EAMCET · Physics · Mechanical Properties of Fluids
Liquid rises to a height of in a capillary tube and liquid falls to a depth of in the same tube. The density of and are and respectively. The contact angle of and with the tube is and respectively. If the surface tension of and are and then the ratio is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Expression of capillary rise is given by, h=4scosθdρg For A, expression is, hA=4sAcos0°dA×ρA×g ⇒10=4sA×1dA×1×g ...1 For B, expression is, hB=4sBcos135°dB×ρB×g ⇒-2=4sB-12dB×10×g…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A thin spherical shell of radius R and surface charge density \(\sigma\) is placed in a cube of side 5 R with their centers coinciding. The electric flux through one face of the cube is \(\left(\varepsilon_0=\right.\) Permittivity of free space \()\)TS EAMCET 2025 Medium
- Consider a light source placed at a distance of \(1.5 \mathrm{~m}\) along the axis facing the convex side of a spherical mirror of radius of curvature \(1 \mathrm{~m}\). The position \(\left(s^{\prime}\right)\), natwre and magnification (m) of the image areTS EAMCET 2017 Easy
- A thin uniform wire of mass ' \(m\) ' and linear mass density ' \(\rho\) ' is bent in the form of a circular loop. The moment of inertia of the loop about its diameter isTS EAMCET 2024 Easy
- Drops of liquid of density \(d\) are floating half immersed in a liquid of density \(\rho\). If the surface tension of the liquid is \(T\), then the radius of the drop isTS EAMCET 2012 Hard
- A conducting wire of cross-sectional area \(1 \mathrm{~cm}^2\) has \(3 \times 10^{23}\) charge carriers per \(\mathrm{m}^3\). If wire carries a current of \(24 \mathrm{~mA}\), then drift velocity of carriers isTS EAMCET 2020 Easy
- A particle of mass \(1 \times 10^{-26} \mathrm{~kg}\) and charge \(1.6 \times 10^{-19} \mathrm{C}\) travelling with a velocity \(1.28 \times 10^6 \mathrm{~ms}^{-1}\) along the positive \(X\)-axis enters a region in which a uniform electric field \(\mathbf{E}\) and a uniform magnetic field of induction \(\mathbf{B}\) are present. If \(\mathbf{E}=-102.4 \times 10^3 \hat{\mathbf{k}} \mathrm{NC}^{-1}\) and \(\mathbf{B}=8 \times 10^{-2} \hat{\mathbf{j}} \mathrm{Wbm}^{-2}\) the direction of motion of the particles isTS EAMCET 2005 Medium
More PYQs from TS EAMCET
- Match the "Technology" given in List-1 with the "Principle of Physics" given in List-2.
List - 1 (Technology) List - 2 (Principle of Physics) A Steam engine I Magnetic confinement of plasma B Electron microscope II Laws of thermodynamics C Non-reflecting coatings III wave nature of electrons D Tokamak IV Interference of light TS EAMCET 2025 Medium - An electric heater with constant heat supply rate is used to convert a certain amount of liquid ammonia to saturated vapour at high pressure. The heater takes 14 minutes to bring the liquid at \(15^{\circ} \mathrm{C}\) to the boiling point of \(50{ }^{\circ} \mathrm{C}\) and 92 minutes to convert the liquid at the boiling point wholly to vapour. If the specific heat capacity of liquid ammonia is \(4.9 \mathrm{~kJ} / \mathrm{kg} \mathrm{K}\), the latent heat of vaporisation of ammonia in \(\mathrm{kJ} / \mathrm{kg}\) isTS EAMCET 2018 Medium
- Car \(A\) is moving to the East with a speed of \(30 \mathrm{~km} / \mathrm{hr}\), and car \(B\) is moving to the North with the same speed. What is the velocity of car \(B\) as measured in Car \(A\) ?TS EAMCET 2021 Easy
- An observer is standing \(500 \mathrm{~m}\) away from a vertical hill. Starting between the observer and the hill, a police van sounding a siren of frequency \(1000 \mathrm{~Hz}\) moves towards the hill with a uniform speed. If the frequency of the sound heard directly from the siren is \(970 \mathrm{~Hz}\), the frequency of the sound heard after reflection from the hill (in Hz) is about, (velocity of sound \(=330 \mathrm{~ms}^{-1}\) ) :TS EAMCET 2006 Hard
- If a proton is accelerated through a potential difference of \(1000 \mathrm{~V}\), then its de-Broglie wavelength is (given, \(m_p=1.67 \times 10^{-27} \mathrm{~kg}\), \(\left.h=6.63 \times 10^{-34} \mathrm{~J}-\mathrm{s}\right)\)TS EAMCET 2018 Easy
- A particle moves from \((1,0,3)\) to the point \((-3,4,5)\), when a force \(\mathbf{F}=\hat{\mathbf{i}}+5 \hat{\mathbf{k}}\) acts on it. Amount of work done in joules isTS EAMCET 2016 Easy