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JEE MAIN 2025
29-01-2025 SHIFT-1
Question
Let $u$ and $v$ be the distances of the object and the image from a lens of focal length $f$. The correct graphical representation of $u$ and $v$ for a convex lens when $|u| > f$, is
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Showing 18 questions
QJEE ADVANCE 20062006
Match the following:
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QJEE ADVANCE 20062006
According to Bohr's theory, $\mathrm{E}_{\mathrm{n}}=$ Total energy $\mathrm{K}_{\mathrm{n}}=$ Kinetic energy $\mathrm{V}_{\mathrm{n}}=$ Potential energy $\mathrm{r}_{\mathrm{n}}=$ Radius of $\mathrm{n}^{\text {th }}$ orbit...
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QJEE ADVANCE 20062006
Match the following:
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QJEE ADVANCE 20062006
Match the extraction processes listed in Column I with metals listed in Column II:
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QJEE ADVANCE 20062006
The edge length of unit cell of a metal having molecular weight $75 \mathrm{~g} / \mathrm{mol}$ is $5 \AA$ which...
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QJEE ADVANCE 20062006
We have taken a saturated solution of $\mathrm{AgBr} . \mathrm{K}_{\text {sp }}$ of AgBr is $12 \times 10^{-14}$. If $10^{-7}$...
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QJEE ADVANCE 2006 2006
For the reaction, $2 \mathrm{CO}+\mathrm{O}_2 \longrightarrow 2 \mathrm{CO}_2 ; \Delta \mathrm{H}=-560 \mathrm{~kJ}$. Two moles of CO and one mole of...
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75.2 g of $\mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}$ (phenol) is dissolved in a solvent of $\mathrm{K}_{\mathrm{f}}=14$. If the depression in freezing point...
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QJEE ADVANCE 20062006
Ammonia is always is added in this reaction. Which of the following must be incorrect?
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QJEE ADVANCE 20062006
When ammonia is added to the solution, pH is raised to 11 . Which half-cell reaction is affected by pH...
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Find $\ln K$ of this reaction.
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QJEE ADVANCE 20062006
A nuclear explosion has taken place leading to increase in concentration of $C^{14}$ in nearby areas. $C^{14}$ concentration is $C_1$...
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What should be the age of fossil for meaningful determination of its age?
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QJEE ADVANCE 20062006
Which of the following option is correct?
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QJEE ADVANCE 20062006
The hybridization of A and B are
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QJEE ADVANCE 20062006
Predict the magnetic nature of A and B .
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QJEE ADVANCE 20062006
The IUPAC name of $A$ and $B$ are
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QJEE ADVANCE 20062006
What are the constituent amines formed when the mixture of (i) and (ii) undergoes Hofmann bromamide degradation?
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