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2023 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN_2023
Match List I with List II Choose the correct answer from the options given below...
JEE Main Physics Easy
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Q JEE MAIN 2023
0.3 g of ethane undergoes combustion at $27^{\circ} \mathrm{C}$ in a bomb calorimeter. The temperature of calorimeter system (including the water) is found to rise...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
The graph of $\log \frac{x}{m}$ vs $\log p$ for an adsorption process is a straight line inclined at an angle of $45^{\circ}$ with intercept equal...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
A metal M forms hexagonal close-packed structure. The total number of voids in 0.02 mol of it is $\_\_\_\_$ $\times 10^{21}$ (Nearest integer) (Given $...
JEE Main Chemistry Easy
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Q JEE MAIN 2023
$\mathrm{Pt}(\mathrm{s}) \mathrm{H}_2(\mathrm{~g})(1 \mathrm{bar})\left|\mathrm{H}^{+}(\mathrm{aq})(1 \mathrm{M})\right|\left|\mathrm{M}^{3+}(\mathrm{aq}), \mathrm{M}^{+}(\mathrm{aq})\right| \mathrm{Pt}(\mathrm{s})$ $$ \text { The Ecell for the given cell is } 0.1115 \mathrm{~V} \text { at } 298 \mathrm{~K}...
JEE Main Chemistry Medium
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Q JEE MAIN_2023
A null point is found at 200 cm in potentiometer when cell in secondary circuit is shunted by $5 \Omega$. When a resistance of $...
JEE Main Physics Easy
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Q JEE MAIN 2023
A travelling wave is described by the equation y(x, t) = [0.05 sin (8x – 4t] m. The velocity of the wave is : [all...
JEE Main Physics Easy
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Q JEE MAIN 2023
Consider the following equation : $$ 2 \mathrm{SO}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g}) \rightleftharpoons 2 \mathrm{SO}_3(\mathrm{~g}), \Delta \mathrm{H}=-190 \mathrm{~kJ} $$ The number of factors which will increase the vield of...
JEE Main Chemistry Medium
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Q JEE MAIN 2023
The denticity of the ligand present in the Fehling's reagent is_______.
JEE Main Chemistry Hard
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Q JEE-Main_2023
The element playing significant role in neuromuscular function and interneuronal transmission is :
JEE Main Chemistry Easy
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