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Recent questions tagged jee main
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An LED is constructed from a Pn junction based on a certain semi-conducting material with energy gap of 1.55 eV.
asked
Apr 7, 2019
in
Physics
by
kratos
jee main 2021
jee
jee main
jee mains
solid state physics
+3
votes
1
answer
Find the points on the curve 9y^2 = x^3 where normal to the curve makes equal intercepts with the axes.
asked
Apr 7, 2019
in
JEE
by
kratos
the tangent and normal
jee
jee main
+1
vote
1
answer
Four spheres each of diameter 2a, and mass M are placed with their centres on the four corners of a square of side
asked
Apr 7, 2019
in
Class 12
by
kratos
system of particles
rotational motion
neet
jee main 2021
class-11
jee
aiims
jee main
+3
votes
1
answer
carbonyl comound
asked
Apr 7, 2019
in
Chemistry
by
kratos
organic chemistry
jee main 2021
jee
class-10
icse
jee main
class-12
+3
votes
1
answer
Evaluate ∫(x^3m + x^2m + x^m) .(2x^2m + 3x^m + 6)^1/mdx. (x > 0)
asked
Apr 6, 2019
in
JEE
by
kratos
jee mains
jee
indefinite integration
jee main
+3
votes
1
answer
Let I = e^x/(e^(4x) + e^(2x) + 1) dx, J = e^-x/(e^(-4x) + e^(-2x) + 1)dx
asked
Apr 6, 2019
in
JEE
by
kratos
jee main
jee
indefinite integration
jee mains
+1
vote
1
answer
The maximum value of (cos α1).(cos α2)..... (cos αn) under the restrictions
asked
Apr 6, 2019
in
JEE
by
kratos
maxima and minima
jee
jee main
jee mains
+2
votes
1
answer
Evaluate: ∫ dx/ 2e^2x + 3e^x + 1
asked
Apr 6, 2019
in
JEE
by
kratos
indefinite integral
cbse
jee
indefinite integration
jee main
class-12
differentiability
continuity
+2
votes
1
answer
Assertion: When the radius of a copper wire is doubled, its specific resistance gets increased.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
current electricity
jee mains
jee main
+1
vote
1
answer
Find the point of maxima and minima for the function f(x) = ∫t(t + 1)(t – 2) dt for t ∈ [0,x].
asked
Apr 6, 2019
in
JEE
by
kratos
the maxima and minima
cbse
jee
definite integral
jee mains
integrals
jee main
class-12
+3
votes
1
answer
Prove the follow using properties [(α, α^2, β + α), (β, β^2, γ + α),(γ, γ^2, α + β)] = (β - α)(γ - α)(α - β)
asked
Apr 6, 2019
in
JEE
by
kratos
jee main 2021
class-11
jee
transformation formulae
determinants
class-10
jee main
class-12
polynomials
+3
votes
1
answer
Find the interval of the monotonicity of the function f(x) = 5 + 36x + 3x^2 – 2x^3.
asked
Apr 6, 2019
in
JEE
by
kratos
jee
monotonocity
jee main
+1
vote
1
answer
The potential difference, VC, across a 3 Farad parallel-plate capacitor whose plates have radius R = 2 cm varies with time and
asked
Apr 5, 2019
in
Class 12
by
kratos
irodov
neet
electrodynamics
electric capacitance
cbse
electromagnetic waves
jee main 2021
electric current
jee
aiims
jee mains
jee main
class-12
+1
vote
1
answer
Let I = ∫e^–x x^3/2 dx for x ∈ [0,∞] such that I = (3/L) × (π)^M/N, find the value of L + M + N.
asked
Apr 5, 2019
in
JEE
by
kratos
jee
definite integral
jee main
jee mains
class-12
+1
vote
1
answer
If y = e^x, find the value of yn(0).
asked
Apr 5, 2019
in
JEE
by
kratos
jee
differentiation
jee mains
jee main
+3
votes
1
answer
f(x) be a differentiable function such that f'(x) = log1/3(log3(sinx + a)). If f(x) is decreasing for all real values of x, find a.
asked
Apr 5, 2019
in
JEE
by
kratos
jee mains
jee
monotonocity
jee main
+1
vote
1
answer
The circuit shown in the figure determine the current through zener doide. (Given: zener diode break down voltage Vz = 5.6 V)
asked
Apr 5, 2019
in
JEE
by
kratos
jee main 2021
jee
jee mains 2019
jee mains
jee main
+2
votes
1
answer
Explain the formation of methane molecule on the basis of hybridization.
asked
Apr 5, 2019
in
JEE
by
kratos
isc
chemical bonding
jee main 2021
class-11
jee
molecular structure
icse
jee main
class-12
+3
votes
1
answer
Prove that sinx + 2x ≥ (3x(x + 1)/π ∀ x ∈ [0, π/2]. (Justify the inequality, if any used).
asked
Apr 5, 2019
in
JEE
by
kratos
applications of derivatives
jee
jee main
jee mains
+3
votes
1
answer
A wire of resistance 12 Ω is elongated to double its length. Find the new resistance.
asked
Apr 5, 2019
in
JEE
by
kratos
jee main 2021
jee
jee mains 2019
class-10
icse
jee main
class-12
current electricity
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