AP EAMCET · PHYSICS · Mechanical Properties of Fluids
In S.I. system, the total energy of the free surface of a liquid drop is \(2 \pi\) times the surface tension of the liquid. The diameter of the drop is __________ .
- A \(\sqrt{3} \mathrm{~m}\)
- B \(\sqrt{2} \mathrm{~m}\)
- C \(\sqrt{5} \mathrm{~m}\)
- D \(\sqrt{7} \mathrm{~m}\)
Answer & Solution
Correct Answer
(B) \(\sqrt{2} \mathrm{~m}\)
Step-by-step Solution
Detailed explanation
No solution. Refer to answer key.
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
- Energy of a stationary electron in the hydrogen atom is then the energies required to excite the electron in hydrogen atom to (a) its second excited state and (b) ionized state respectivelyAP EAMCET 2022 Medium
- Unpolarised light from air incidents on the surface of a transparent medium of refractive index 1.414 such that the reflected light is completely polarised. Match the angles given in List-I with the corresponding values given in List-II.
The correct match is
Codes
\(\begin{array}{llll}
A & B & C & D
\end{array}\)AP EAMCET 2019 Medium - The radii of the inner and outer spheres of a spherical capacitor are 8 cm and 9 cm respectively. The outer sphere is earthed and the inner sphere is charged. If the space between the concentric spheres is filled with a liquid of dielectric constant 5, the capacitance of the capacitor isAP EAMCET 2025 Medium
- A steam at \(100^{\circ} \mathrm{C}\) is passed into \(1 \mathrm{~kg}\) of water contained in a calorimeter of water equivalent \(0.2 \mathrm{~kg}\) at \(9^{\circ} \mathrm{C}\) till the temperature of the calorimeter and water in it is increased to \(90^{\circ} \mathrm{C}\). The mass of steam condensed in \(\mathrm{kg}\) is nearly (specific heat of water \(=1 \mathrm{cal} / \mathrm{g}{ }^{\circ} \mathrm{C}\), latent heat of vaporisation \(=540 \mathrm{cal} / \mathrm{g}\) )AP EAMCET 2014 Medium
- A stone of mass \(2 \mathrm{~kg}\) is tied at one end of a string of length \(2 \mathrm{~m}\) and is whirled in a horizontal circle. If the string can withstand a maximum tension of \(64 \mathrm{~N}\), then the permissible maximum number of rotations per minute isAP EAMCET 2023 Medium
- As shown in the figure, an iron block of volume is attached to a spring of unstretched length and hanging to the ceiling of a roof. The spring gets stretched by . This block is removed and another block of iron of volume is now attached to the same spring and kept on a frictionless incline plane of inclination. The distance of the block from the top along the incline at equilibrium is
AP EAMCET 2022 Medium
More PYQs from AP EAMCET
- Two trains \(A\) and \(B\) are moving towards each other with speeds \(72 \mathrm{kmh}^{-1}\) and \(36 \mathrm{kmh}^{-1}\) respectively. The train \(A\) whistles at \(640 \mathrm{~Hz}\) frequency. Before the trains meet, frequency of sound heard by a passenger in Train \(B\) is
( Speed of sound in air \(=340 \mathrm{~ms}^{-1}\) ).AP EAMCET 2022 Easy - If bullets are fired in all possible directions from same point with equal velocity of \(10 \mathrm{~m} \mathrm{~s}^{-1}\) and with an angle of projection \(45^{\circ}\), then the area covered by the bullets on the ground is nearly
(Acceleration due to gravity \(10 \mathrm{~m} \mathrm{~s}^{-2}\) )AP EAMCET 2025 Medium - \(\int_0^{\frac{\pi}{2}} \frac{\cos x d x}{\sqrt{1+\cos x \sin x}}=\)AP EAMCET 2018 Medium
- Meta directing groups among the following are
\(\begin{array}{ccccc}
-\mathrm{CN} & -\mathrm{COR} & -\mathrm{NHCOR} & -\mathrm{SO}_3 \mathrm{H} & -\mathrm{OCH}_3 \\
\text{(a)} & \text{(b)} & \text{(c)} & \text{(d)} & \text{(e)}
\end{array}\)AP EAMCET 2017 Easy - The work function of a certain metal is \(3.31 \times 10^{-19} \mathrm{~J}\). Then, the maximum kinetic energy of photoelectrons emitted by incident radiation of wavelength \(5000 Ã…\) is
\(\begin{aligned}
& \text { (Given, } h=6.62 \times 10^{-34} \mathrm{~J}-\mathrm{s}, c=3 \times 10^8 \mathrm{~ms}^{-1} \text {, } \\
& e=1.6 \times 10^{-19} \mathrm{C} \text { ) }
\end{aligned}\)AP EAMCET 2009 Medium - Let be three-unit vectors and . If the angle between and is , thenAP EAMCET 2021 Easy