A closed organ pipe 150 cm long gives 7 beats per second with an open organ pipe of length 350" " cm, both vibrating in...
JEE MainPhysicsHard
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QJEE MAIN 2024
A mass m is suspended from a spring of negligible mass and the system oscillates with a frequency $f_1$. The frequency of oscillations if a...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Two charges of $-4 \mu \mathrm{C}$ and $+4 \mu \mathrm{C}$ are placed at the points $\mathrm{A}(1,0,4) \mathrm{m}$ and $\mathrm{B}(2,-1,5) \mathrm{m}$ located in an electric field...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Match List-I with List-II. Choose the correct answer from the options given below:
JEE MainChemistryEasy
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QJEE MAIN 2024
The final product A, formed in the following reaction sequence is:
JEE MainChemistryMedium
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QJEE MAIN 2024
The technique used for purification of steam volatile water immiscible substance is:
JEE MainChemistryEasy
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QJEE MAIN 2024
The molecular formula of second homologue in the homologous series of mono carboxylic acids is
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