JEE Main 202528 Jan, Morning shift

Physics 13Chemistry 17

Physics

Q26Due to presence of an em-wave whose electric component is given by E = 100 sin (ω t - kx) N C ⁻¹, a cylinder of length 200 cm holds certain amount of…Electromagnetic Waves
Q27In the experiment for measurement of viscosity ' η ' of given liquid with a ball having radius R, consider following statements. A. Graph between terminal…Properties of Solids and Liquids
Q32Choose the correct nuclear process from the below options [p: proton, n: neutron, e^-: electron, e⁺: positron, ν: neutrino, ν: antineutrino]Atoms and Nuclei
Q33Three infinitely long wires with linear charge density λ are placed along the x–axis, y–axis and z–axis respectively. Which of the following denotes an…Electrostatics
Q34A wire of resistance R is bent into an equilateral triangle and an identical wire is bent into a square. The ratio of resistance between the two end points of…Current Electricity
Q36Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: A sound wave has higher speed in solids than…Oscillations and Waves
Q41A proton of mass ' m p ' has same energy as that of a photon of wavelength ' λ '. If the proton is moving at non-relativistic speed, then ratio of its de…Dual Nature of Matter and Radiation
Q42A thin prism P₁ with angle 4° made of glass having refractive index 1.54, is combined with another thin prism P₂ made of glass having refractive index 1.72 to…Optics
Q43A Carnot engine (E) is working between two temperatures 473K and 273K. In a new system two engines - engine E₁ works between 473K to 373K and engine E₂ works…Thermodynamics
Q45Consider following statements: A. Surface tension arises due to extra energy of the molecules at the interior as compared to the molecules at the surface, of…Properties of Solids and Liquids
Q47A double slit interference experiment performed with a light of wavelength 600 nm forms an interference fringe pattern on a screen with 10th bright fringe…Optics
Q48A tiny metallic rectangular sheet has length and breadth of 5 mm and 2.5 mm, respectively. Using a specially designed screw gauge which has pitch of 0.75 mm…Units and Measurements
Q50The moment of inertia of a solid disc rotating along its diameter is 2.5 times higher than the moment of inertia of a ring rotating in similar way. The moment…Rotational Motion