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NEET 2026 Physics Question 23

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Question 23PhysicsSource page 8

NEET 2026 Physics Question 23

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Question

A frictionless circular wire of unit radius is tixed on the horizontal plane. Two point particles of unit mass start moving simultaneously from point Alo = 7) with identical uniform angular speeds in opposite directions, and meet again at point Bo = -

Options

1Refer to the source question image for option 1.
2Refer to the source question image for option 2.
3During this time, which of the following figures schematically represent the magnitude of the total linear momentum P of the system, as a function of 6 ? Al EN fie B! Pp p ! No Na [2] [2] n/2 -n/2 n/2 -n/2 Pp pP i = ’ N 6 [5] n/2 -n/2 n/2 -n/2
4Refer to the source question image for option 4.

Supplied answer marker

Option 3 - During this time, which of the following figures schematically represent the magnitude of the total linear momentum P of the system, as a function of 6 ? Al EN fie B! Pp p ! No Na [2] [2] n/2 -n/2 n/2 -n/2 Pp pP i = ’ N 6 [5] n/2 -n/2 n/2 -n/2

Explanation

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Subject

Physics

Chapter

Chapter review pending

Topic

Topic review pending

Difficulty

Review Pending

Question type

Multiple Choice

Year

2026

Keywords

NEET 2026Re-NEET 2026Physicsquestion 23answer key

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Question 22Physics

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Consider three media P, Q and R with reiractive indices 1, 1.25, and 1.5, respectively. The medium Q having a thickness of 5 cm is placed between extended media P and R as shown in the figure. An object O is placed at the centre of medium Q. If viewed from medium P near the normal direction, the apparent depth of O is h,. For similar observation from medium R, the apparent depth is h,. The value of Ih, —h,!, in cm, is : | 0-

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Option 2

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Question 24Physics

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The temperature of a metallic sphere of radius R is increased by a small amount AT. If the linear coefficient of thermal expansion of the metal is a, the approximate increase in the volume of the sphere is :

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Option 3 - 4nR%AT

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Question 21Physics

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A unit positive point charge is taken slowly through an infinitesimally thin tube that is inside a charged dielectric sphere of radius R, having uniform positive charge density p, as shown in the figure. The initial and final positions of the charge are marked by A and B at distances 2R and 3R respectively, from the centre of the sphere. In this process, the magnitude of the total work done on the point charge is PR® ne, The value of nis : (e, is the permittivity of vacuum) B 3R 7

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Option 4 - 18

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Question 25Physics

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A cylindrical cork of uniform density floats in a liquid of density p,. If the cork is depressed slightly and released, it oscillates harmonically with time period T. If the same cork floats in another liquid of density p,, then the similar oscillation has time period 2T. The value of p,/p, is : m4 2 2

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Option 4

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NEET 2026 Physics Question 23

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The temperature of a metallic sphere of radius R is increased by a small amount AT. If the linear coefficient of thermal expansion of the metal is a, the approximate increase in the volume of the sphere is :

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