MHT CET · Physics · Mechanical Properties of Fluids
Two light balls are suspended as shown in figure. When a stream of air passes through the space between them, the distance between the balls will
- A Remain same
- B Increase
- C May increase or decrease, depending on speed of air
- D Decrease
Answer & Solution
Correct Answer
(D) Decrease
Step-by-step Solution
Detailed explanation
When a stream of air passes through the space between the balls, the pressure reduces between them as compared to the atmospheric pressure on either side. So, according to Bernoulli’s theorem, the pressure energy should be constant and is compensated by movement of balls toward each other. So, the distance between the balls will decrease.
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
- The frequency of fourth overtone of a closed pipe is in unison with the fifth overtone of an open pipe. The ratio of length of closed pipe to that of open pipe isMHT CET 2025 Medium
- A cylindrical rod is having temperatures \(\theta_1\) and \(\theta_2\) at its ends. The rate of heat flow is ' \(\mathrm{Q}\) ' \(\mathrm{J} \mathrm{s}{ }^{-1}\). All the linear dimensions of the rod are doubled by keeping the temperatures constant. What is the new rate of flow of heat?MHT CET 2021 Easy
- A bullet of mass \(\mathrm{m}\) moving with velocity 'v' is fired into a wooden block of mass 'M'. If the bullet remains embedded in the block, the final velocity of the system isMHT CET 2020 Easy
- A pipe closed at one end has length . The number of possible natural oscillations of air column whose frequencies lie below are (velocity of sound in air )MHT CET 2018 Easy
- Two coaxial coils A and B of radii 'R ' and 'Rz' are placed in the same plane. (R \(_{2}>\)
\(\mathrm{R}_{1}\) ). If a current is passed through coil \(\mathrm{B}\), the coefficient of mutual inductance
between the coils is proportional toMHT CET 2020 Medium - Choose the correct relation between polarisation 'P' and electric susceptibility \(^{4} \chi_{e}{ }^{\prime}\) of dielectric material. \((\mathrm{E}=\) electric field \()\)MHT CET 2020 Easy
More PYQs from MHT CET
- If \(\mathrm{p}\) is the length of the perpendicular from origin to the whose intercepts on the axes are \(a\) and \(b\), then \(\frac{1}{a^2}+\frac{1}{b^2}=\)MHT CET 2021 Easy
- If \(\overline{\mathrm{a}}=\frac{1}{\sqrt{10}}(4 \hat{\mathrm{i}}-3 \hat{\mathrm{j}}+\hat{\mathrm{k}}), \overline{\mathrm{b}}=\frac{1}{5}(\hat{\mathrm{i}}+2 \hat{\mathrm{j}}+2 \hat{\mathrm{k}})\), then the value of \((2 \bar{a}-\bar{b}) \cdot\{(\bar{a} \times \bar{b}) \times(\bar{a}+2 \bar{b})\}\) isMHT CET 2024 Medium
- A photoelectric surface is illuminated successively by monochromatic light of Wavelength \(\lambda\) and \((\lambda / 3)\). If the maximum kinetic energy of the emitted photoelectrons in the second case is 4 times that in the first case, the work function of the surface of the material is ( \(\mathrm{h}=\) Planck's constant, \(\mathrm{c}=\) speed of light \()\)MHT CET 2024 Medium
- The compatibility and incompatibility of the pollen-pistil interaction is determined byMHT CET 2025 Easy
- The rate constant of a reaction is \(0.693 \times 10^{-2}\) per minute. What is half-life period?MHT CET 2022 Easy
- If line \(x+y=0\) touches the curve \(a x^{2}=2 y^{2}-b\) at \((1,-1)\),
then the values of \(a\) and \(b\) are respectivelyMHT CET 2020 Easy