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NEET 2026 Physics Question 40

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Question 40PhysicsSource page 11

NEET 2026 Physics Question 40

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Question

Consider that an electron is revolving in an excited state of Hydrogen atom with velocity 25.6 x10° ms™. The radius of the orbit is x x 10? m. The value of x is : [Take the mass of electron to be 9 x 10 kg, charge of electron = - 1.6 x 10” C and 1 _9x1NmCH dre, ma 23 32 41

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Subject

Physics

Chapter

Chapter review pending

Topic

Topic review pending

Difficulty

Review Pending

Question type

Multiple Choice

Year

2026

Keywords

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Question 39Physics

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One mole of an ideal monatomic gas undergoes a cyclic process as shown in the figure. The total heat supplied to the gas is : fw] 100 d c 2 5 Vim’

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Option 3 - 600 J

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Question 41Physics

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A car travels on a circular racetrack of radius 50 m, which is banked at an angle 8. If the car travels at a speed 10 ms™, then the wear and tear on its tyres is minimum. Taking the acceleration due to gravity to be 10 ms?, the value of 8 is :

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Option 1 - tan (

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Question 38Physics

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An electromagnetic wave travelling in a lossless dielectric medium having a dielectric constant €, = 9, has the electric field, E, = E, sin (kz — 2 x 10%) Vm™ where E; is the amplitude and k is the wave vector. Among the following options, the incorrect choice is :

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Option 2 - The wavelength of the electromagnetic wave inside the medium is 300 m

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Question 42Physics

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Three identical pn junction diodes D,, D, and D; are connected across a battery as shown in the figure. If the width of the depletion regions of D,, D, and D, are W,, W, and W,, respectively, then the correct option is : ko Dy [> Raa < 5V MW, >W,>W, 2YW,=W,>W, BYW,>W,>W, @HW,>W, =W,

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Option 3

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NEET 2026 Physics Question 40

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Related questions

One mole of an ideal monatomic gas undergoes a cyclic process as shown in the figure. The total heat supplied to the gas is : fw] 100 d c 2 5 Vim’

A car travels on a circular racetrack of radius 50 m, which is banked at an angle 8. If the car travels at a speed 10 ms™, then the wear and tear on its tyres is minimum. Taking the acceleration due to gravity to be 10 ms?, the value of 8 is :

An electromagnetic wave travelling in a lossless dielectric medium having a dielectric constant €, = 9, has the electric field, E, = E, sin (kz — 2 x 10%) Vm™ where E; is the amplitude and k is the wave vector. Among the following options, the incorrect choice is :

Three identical pn junction diodes D,, D, and D; are connected across a battery as shown in the figure. If the width of the depletion regions of D,, D, and D, are W,, W, and W,, respectively, then the correct option is : ko Dy [> Raa < 5V MW, >W,>W, 2YW,=W,>W, BYW,>W,>W, @HW,>W, =W,

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