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A particle is moving in a circle with uniform speed v. In moving from a point to another diametrically opposite point
Options
(a) The momentum changes by mv
(b) The momentum changes by 2mv
(c) The kinetic energy changes by 1/2 mv²
(d) The kinetic energy changes by mv²
Correct Answer:
The momentum changes by 2mv
Explanation:
The diametrically opposite points, the velocities have same magnitude but opposite directions. Therefore, change in momentum is MV – (- MV) = 2MV.
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- A beam of light contains two wavelengths 6500Å and 5200Å.
- In Young’s double slit interference experiment, using two coherent waves
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the wave of hydrogen atom comes from infinity into the first orbit,
- A beam of light contains two wavelengths 6500Å and 5200Å.
- In Young’s double slit interference experiment, using two coherent waves
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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