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JEE Mains 2025 4 April Evening Shift physics questions with solutions
Browse JEE Mains 2025 4 April Evening Shift Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 25 questions
- MCQeasyUnit dimension and error
In a travelling microscope, 300 main-scale divisions are equal to 15 cm. The vernier has 25 divisions equal to 24 main-scale divisions. The least count of the microscope is:
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQmediumsemiconductor
Consider an n-type semiconductor in which nₑ and nₕ denote electron and hole concentrations respectively. Statements: A) holes are minority carriers; B) the dopant is a pentavalent atom; C) nₑnₕ ≠ nᵢ²; D) nₑnₕ ≥ nᵢ²; E) holes are not generated by the donor atoms. Choose the correct set.
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQmediumThermodynamics
A rectangular sheet has length 9 cm, width 4 cm, coefficient of linear expansion α = 3.1×10⁻⁵ K⁻¹, mass 0.1 kg and specific heat capacity 900 J kg⁻¹ K⁻¹. If 8.1×10² J of heat is supplied, the increase in its area is:
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQeasyCurrent electricity
There are n identical electric bulbs. Each bulb is designed to draw power P when connected independently across the mains voltage. The n bulbs are now connected in series across the same mains supply. The total power drawn is:
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - IntegermediumElectromagnetic wave
An optical medium has relative permeability μᵣ = 10/π and relative permittivity εᵣ = 1/0.0885. The speed of light in vacuum is greater than the speed in this medium by how many times?
JEE Mains 2025 4 April Evening Shift
Open question & full solution → - NumericmediumElectrostatic
A particle of charge 1.6 μC and mass 16 μg is fired perpendicular to a uniform magnetic field of magnitude 6.28 T. Find the time in seconds taken by the particle to return to its original position for the first time.
JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQmediumThermodynamics
Two vessels contain the same ideal gas. The larger vessel has twice the volume of the smaller one and contains gas at 8 kPa and 1000 K. The smaller vessel contains gas at 7 kPa and 500 K. The vessels are connected and both are maintained at 600 K. The final common pressure is:
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQeasyCurrent electricity
Four resistors have values R₁ = R₂ = R₃ = 5 Ω and R₄ = 10 Ω. Which circuit shown in the original figure gives an equivalent resistance of 6 Ω?
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQmediumGeometrical optics
An object is placed 30 cm in front of a convex mirror of focal length 30 cm. A plane mirror is placed between the object and convex mirror so that the images formed by the two mirrors coincide. The distance between the two mirrors is:
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JEE Mains 2025 4 April Evening Shift
Open question & full solution → - MCQmediumKinematics Part-1 (one dimension)
For the displacement-versus-time graph shown in the original figure, consider: A) average velocity from 0 to 3 s is 10 m/s; B) average velocity from 3 to 5 s is 0 m/s; C) instantaneous velocity at t = 2 s is 5 m/s; D) average velocity from 5 to 7 s equals instantaneous velocity at t = 6.5 s; E) average velocity from 0 to 9 s is zero. Choose the correct set.
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JEE Mains 2025 4 April Evening Shift
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