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JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
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Questions
90
Duration
180 mins
Package
IIT-JEE Main - Previous Year Papers
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90questions
Medium
56
62.2%
Easy
32
35.6%
Hard
2
2.2%
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90questions
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Sample questions from this paper
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2019 · Chemistry · Physical Chemistry · Solid State
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
A solid having density of 9\(\times\)103 kg m–3 forms face centred cubic crystals of edge length \(200\sqrt 2\) pm. What is the molar mass of the solid?
[Avogadro constant \(\cong\) 6 \(\times\) 1023 mol–1 , \(\pi\) \(\cong\) 3]
[Avogadro constant \(\cong\) 6 \(\times\) 1023 mol–1 , \(\pi\) \(\cong\) 3]
2019 · Physics · Modern Physics · Communication Systems
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
An amplitude modulated signal is given by V(t) = 10[1 + 0.3cos(2.2 \(\times\) 104
t)] sin(5.5 \(\times\) 105
t). Here t is in
seconds. The sideband frequencies (in kHz) are, [Given \(\pi\) = 22/7]
2019 · Mathematics · Algebra · Binomial Theorem
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
The value of r for which 20Cr 20C0 + 20Cr\(-\)1 20C1 + 20Cr\(-\)2 20C2 + . . . . .+ 20C0 20Cr is maximum, is
2019 · Chemistry · Physical Chemistry · Surface Chemistry
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
An example of solid sol is :
2019 · Physics · Electricity · Electrostatics
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
Three charges Q, + q and + q are placed at the vertices of a right-angle isosceles triangle as shown below. The net electrostatic energy of the configuration is zero, if the value of Q is :
2019 · Mathematics · Algebra · 3D Geometry
JEE MAIN 2019 ONLINE 11TH JANUARY MORNING SLOT
The plane containing the line \({{x - 3} \over 2} = {{y + 2} \over { - 1}} = {{z - 1} \over 3}\) and also containing its projection on the plane 2x + 3y \(-\) z = 5, contains which one of the following points ?