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QJEE MAIN 2024
Phenolic group can be identified by a positive:
JEE MainChemistryEasy
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QJEE MAIN 2024
Choose the correct option having all the elements with d^10 electronic configuration from the following:
JEE MainChemistryEasy
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QJEE MAIN 2024
Given below are two statements : Statement (I): In the Lanthanoids, the formation of $\mathrm{Ce}^{+4}$ is favoured by its noble gas configuration. Statement (II): $\mathrm{Ce}^{+4}$...
JEE MainChemistryMedium
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QJEE MAIN 2024
Which of the following statements is not correct about rusting of iron?
JEE MainChemistryEasy
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QJEE MAIN 2024
A body of mass 4 kg experiences two forces $\overrightarrow{\mathrm{F}}_1=5 \hat{\imath}+8 \hat{\jmath}+7 \hat{\mathrm{k}}$ and $\overrightarrow{\mathrm{F}}_2=3 \hat{\imath}-4 \hat{\jmath}-3 \hat{\mathrm{k}}$. The acceleration acting on the body is...
JEE MainPhysicsEasy
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QJEE-Main_2024
In Young's double slit experiment, light from two identical sources are superimposing on a screen. The path difference between the two lights reaching at a...
JEE MainPhysicsHard
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QJEE MAIN 2024
A light planet is revolving around a massive star in a circular orbit of radius R with a period of revolution T. If the force...
JEE MainPhysicsHard
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QJEE-Main_2024
Two particles $X$ and $Y$ having equal charges are being accelerated through the same potential difference. Thereafter they enter normally in a region of uniform...
JEE MainPhysicsMedium
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QJEE MAIN 2024
A transformer has an efficiency of 80% and works at 10 V and 4 kW. If the secondary voltage is 240 V, then the current...
JEE MainPhysicsMedium
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QJEE-Main_2024
If the distance between object and its two times magnified virtual image produced by a curved mirror is 15 cm , the focal length of...
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