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QJEE MAIN 2024
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : The...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A metal block of mass $m$ is suspended from a rigid support through a metal wire of diameter $14 m m$. The tensile stress developed...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A sample of a liquid is kept at 1 atm . It is compressed to 5 atm which leads to change of volume of $...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A 3 m long wire of radius 3 mm shows an extension of 0.1 mm when loaded vertically by a mass of 50 kg in...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A cylindrical rod of length 1 m and radius 4 cm is mounted vertically. It is subjected to a shear force of $10^5 \mathrm{~N}$ at...
JEE MainPhysicsEasy
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QJEE MAIN_2025
A solid steel ball of diameter 3.6 mm acquired terminal velocity $2.45 \times 10^{-2} \mathrm{~m} / \mathrm{s}$ while falling under gravity through an oil of...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A steel rod of length 1 m and cross sectional area $10^{-4} \mathrm{~m}^2$ is heated from $0^{\circ} \mathrm{C}$ to $200^{\circ} \mathrm{C}$ without being allowed to...
JEE MainPhysicsHard
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QJEE MAIN 2023
Young’s moduli of the material of wires A and B are in the ratio of 1 : 4, while its area of cross sections are...
JEE MainPhysicsEasy
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QJEE MAIN 2023
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : A spherical...
JEE MainPhysicsHard
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QJEE MAIN 2023
A 100 m long wire having cross-sectional area $6.25 \times 10^{-4} \mathrm{~m}^2$ and Young’s modulus is $10^{10} \mathrm{Nm}^{-2}$ is subjected to a load of 250...
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