COMEDK · Physics · 7. Center of Mass Momentum and Collision
In an inelastic collision, which of the following is true?
- A Momentum is conserved but not \(\mathrm{KE}\)
- B KE is conserved, but not momentum
- C Both momentum and KE are conserved
- D Neither momentum nor KE are conserved
Answer & Solution
Correct Answer
(A) Momentum is conserved but not \(\mathrm{KE}\)
Step-by-step Solution
Detailed explanation
In an inelastic collision, momentum is conserved but kinetic energy is not conserved.
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 required for moving a body of mass \(\mathrm{m}\) from a circular orbit of radius 3R to a higher orbit of radius 4R around the earth is.COMEDK 2024 Medium
- The resistance of mercury at \(4.2 \mathrm{~K}\) isCOMEDK 2016 Easy
- The apparent frequency of a note is \(200 \mathrm{~Hz}\). When a listener is moving with a velocity of \(40 \mathrm{~ms}^{-1}\) towards a stationary source. When he moves away from the same source with the same speed, the apparent frequency of the same note is \(160 \mathrm{~Hz}\). The velocity of sound in air (in \(\mathrm{m} / \mathrm{s}\) ) isCOMEDK 2017 Medium
- A charge \(q\) is placed at the centre of a cube. The electric flux passing through the cube isCOMEDK 2015 Easy
- The ratio of the nuclear radii of elements with mass numbers 216 and 125 isCOMEDK 2018 Easy
- Two identical light waves, propagating in the same direction, have a phase difference \(\delta\). After they superpose the intensity of the resulting wave will be proportional toCOMEDK 2020 Medium
More PYQs from COMEDK
- The complex number \(\dfrac{1+7 i}{(2-i)^2}\) lies inCOMEDK 2025 Medium
- An LCR series ac circuit is at resonance with 10 V each across \(\mathrm{L}, \mathrm{C}\) and R. If the resistance is halved, the respective voltage across \(\mathrm{R}, \mathrm{C}\) and L areCOMEDK 2025 Medium
- In Young's double slit interference experiment, using two coherent waves of different amplitudes, the intensities ratio between bright and dark fringes is 3 . Then, the value of the ratio of the amplitudes of the wave that arrive there isCOMEDK 2023 Medium
- How much heat energy has to be supplied to 2 kg of ice so that it melts at \(0^{\circ} \mathrm{C}\) ? [latent heat of fusion of ice is \(3.35 \times 10^2 \mathrm{~kJ} \mathrm{Kg}^{-1}\)COMEDK 2025 Easy
- In the following sets of ions, which one is not isoelectronic with the rest of the species?
\[
\mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{Na}, \mathrm{Mg}^{2+}, \mathrm{Al}^{3+}, \mathrm{Ne}
\]COMEDK 2014 Easy - Figure below shows a lens of refractive index, \(\mu=1.4\). \(C_1\) and \(C_2\) are the centres of curvature of the two faces of the lens of radii of curvature \(4 \mathrm{~cm}\) and \(8 \mathrm{~cm}\) respectively.
The lens behaves as aCOMEDK 2024 Medium