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QJEE MAIN 2024
Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following :
JEE MainChemistryMedium
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QJEE-Main_2024
Primary coil of a transformer is connected to 220V ac. Primary and secondary turns of the transforms are 100 and 10 respectively. Secondary coil of...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Match List - I with List -II.
Choose the correct answer from options given below:
JEE MainChemistryMedium
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QJEE-Main_2024
The diffraction pattern of a light of wavelength 400 nm diffracting from a slit of width 0.2 mm is focused on the focal plane of...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Given below are two statements : Statement (I) : Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution. Statement (II) :...
JEE MainChemistryMedium
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QJEE MAINS 2024
If the wavelength of the first member of Lyman series of hydrogen is λ. The wavelength of the second member will be
JEE MainPhysicsHard
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QJEE MAIN 2024
In Kjeldahl's method for estimation of nitrogen, CuSO_4 acts as :
JEE MainChemistryEasy
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QJEE-Main_2024
Two insulated circular loop A and B radius ' a ' carrying a current of 'I' in the anti clockwise direction as shown in figure....
JEE MainPhysicsEasy
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QJEE MAINS 2024
A rigid wire consists of a semicircular portion of radius R and two straight sections. The wire is partially immerged in a perpendicular magnetic field...
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