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JEE Mains 2024 31 Jan Morning Shift physics questions with solutions
Browse JEE Mains 2024 31 Jan Morning Shift Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 30 questions
- MCQeasyThermodynamics
The given figure represents two isobaric processes for the same mass of an ideal gas. Then:
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - NumericmediumElectromagnetic Induction
A small square loop of wire of side ℓ is placed inside a large square loop of wire of side L, where L = ℓ². The loops are coplanar and their centers coincide. The value of mutual inductance of the system is √x × 10⁻⁷ H, where x = ____.
JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQeasysemiconductor
Identify the logic operation performed by the given circuit.
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - NumericmediumCapacitor
A parallel plate capacitor with plate separation 5 mm is charged by a battery. On introducing a dielectric sheet of thickness 2 mm, while keeping the battery connected, the capacitor draws 25% more charge from the battery than before. The dielectric constant of the sheet is ____.
JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQmediumKinematics Part-1 (one dimension)
The relation between time t and distance x is t = αx² + βx, where α and β are constants. The relation between acceleration a and velocity v is:
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - NumericeasyRotational Motion
A solid circular disc of mass 50 kg rolls along a horizontal floor so that its center of mass has a speed of 0.4 m s⁻¹. The absolute value of work done on the disc to stop it is ______ J.
JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQmediumUnits, Dimensions, Measurements and Errors
A force is represented by F = ax² + bt¹ᐟ², where x = distance and t = time. The dimensions of b²/a are:
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
A coil is placed perpendicular to a magnetic field of 5000 T. When the field is changed to 3000 T in 2 s, an induced emf of 22 V is produced in the coil. If the diameter of the coil is 0.02 m, then the number of turns in the coil is:
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQmediumNewtons law of motion and Friction
In the given arrangement of a doubly inclined plane two blocks of masses M and m are placed. The blocks are connected by a light string passing over an ideal pulley as shown. The coefficient of friction between the surface of the plane and the blocks is 0.25. The value of m, for which M = 10 kg will move down with an acceleration of 2 m s⁻², is: [Take g = 10 m s⁻² and tan37° = 3/4
]
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JEE Mains 2024 31 Jan Morning Shift
Open question & full solution → - MCQmediumProperties of solid and fluid
A small steel ball is dropped into a long cylinder containing glycerine. Which one of the following is the correct representation of the velocity-time graph for the transit of the ball?
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JEE Mains 2024 31 Jan Morning Shift
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