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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2020
The volume (in mL) of 0.1 N NaOH required to neutralise 10 mL of 0.1 N phosphinic acid is ____.
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A small bar magnet is moved through a coil at constant speed from one end to the other. Which of the following series of observations...
JEE Main Physics Medium
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Q JEE MAIN 2020
At constant volume, 4 mol of an ideal gas when heated from 300 K to 500 K changes its internal energy by 5000 J. The...
JEE Main Chemistry Easy
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Q JEE-MAIN 2020
An acidic solution of dichromate is electrolyzed for 8 minutes using 2 A current. As per the following equation
$...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
An unsaturated hydrocarbon $X$ absorbs two hydrogen molecules on catalytic hydrogenation, and also gives following reaction
$...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
A beam of plane polarised light of large crosssectional area and uniform intensity of 3.3 $\mathrm{Wm}^{-2}$ falls normally on a polariser (cross sectional area $...
JEE Main Physics Medium
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Q JEE-MAIN 2020
$6.023 \times 10^{22}$ molecules are present in 10 g of a substance ' x '. The molarity of a solution containing 5 g of substance...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Dimensional formula for thermal conductivity is (here K deontes the temperature)
JEE Main Physics Easy
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Q JEE MAIN 2020
The distance between an object and a screen is 100 cm . A lens can produce real image of the object on the screen for...
JEE Main Physics Medium
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Q JEE MAIN 2020
For a transverse wave travelling along a straight line, the distance between two peaks (crests) is 5 m, while the distance between one crest and...
JEE Main Physics Hard
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