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jee main
| 2018
Solutions for all the questions from jee main
of year 2018
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2018
SUBJECT
math
class 12
JEE Main
The total number of optically active compunds formed in the following reaction is :
class 11
JEE Main
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is :
class 11
JEE Main
One mole of an ideal monoatomic gas is taken along the path ABCA as shown in the PV diagram. The maximum temperature attained by the gas along the path BC is given by :
class 12
JEE Main
A Helmholtz coil has a pair of loops, each withN turns and radius R. They are placed coaxially at distance R and the same current I flows through the loops in the same direction. The magnitude of magnetic field at P, midway between the centres A and C, is given by [Refer to figure given below]:
class 11
JEE Main
A particle is oscillating on the X-ais with an amplitude 2 cm about the point `x_(0) = 10cm`, with a frequency `omega`. A concave mirror of focal length 5 cm is placed at the origin (see figure).
Identify the correct statements.
class 12
JEE Main
The B-H curve for a ferromagnet is shown in the figure. The ferromagnet is placed inside a long solenoid with `1000` turns/cm. The current that should be passed in the solenoid to demagnetise the ferromagnet completely is :
class 11
JEE Main
The velocity-time graphsof a car and a scooter are shown in the figure. (i) The difference between the distance travelled by the car and the scooter in 15 and (ii) the time at which the car will catch up with the scooter are, respectively.
class 11
Math
Algebra
Sequences And Series
Let A be the sum of the first 20 terms and B be the sum of the first 40 terms of the series
$1_{2}+2.2_{2}+3_{2}+2.4_{2}+5_{2}+2.6_{2}+…$
If
$B−2A=100λ$
then
$λ$
is equal to
class 12
Math
Calculus
Determinants
If the system of linear equations
$x+ky+3z=0,3x+ky−2z=0,2x+4y−3z=0$
has a non-zero solution
$(x,y,z)$
then
$y_{2}xz $
is equal to
class 11
Math
Algebra
Quadratic Equations
If
$α,β∈C$
are distinct roots of the equation
$x_{2}−x+1=0$
then
$α_{101}+β_{107}$
is equal to
1
2
3
4
5
6
7
8
9
10
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jee main
| 2018
Solutions for all the questions from jee main
of year 2018
Filter Results
EXAM
board examination
iit jee
jee advanced
jee main
neet
rtb
YEAR
All
2018
SUBJECT
math
class 12
JEE Main
The total number of optically active compunds formed in the following reaction is :
class 11
JEE Main
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is :
class 11
JEE Main
One mole of an ideal monoatomic gas is taken along the path ABCA as shown in the PV diagram. The maximum temperature attained by the gas along the path BC is given by :
class 12
JEE Main
A Helmholtz coil has a pair of loops, each withN turns and radius R. They are placed coaxially at distance R and the same current I flows through the loops in the same direction. The magnitude of magnetic field at P, midway between the centres A and C, is given by [Refer to figure given below]:
class 11
JEE Main
A particle is oscillating on the X-ais with an amplitude 2 cm about the point `x_(0) = 10cm`, with a frequency `omega`. A concave mirror of focal length 5 cm is placed at the origin (see figure).
Identify the correct statements.
class 12
JEE Main
The B-H curve for a ferromagnet is shown in the figure. The ferromagnet is placed inside a long solenoid with `1000` turns/cm. The current that should be passed in the solenoid to demagnetise the ferromagnet completely is :
class 11
JEE Main
The velocity-time graphsof a car and a scooter are shown in the figure. (i) The difference between the distance travelled by the car and the scooter in 15 and (ii) the time at which the car will catch up with the scooter are, respectively.
class 11
Math
Algebra
Sequences And Series
Let A be the sum of the first 20 terms and B be the sum of the first 40 terms of the series
$1_{2}+2.2_{2}+3_{2}+2.4_{2}+5_{2}+2.6_{2}+…$
If
$B−2A=100λ$
then
$λ$
is equal to
class 12
Math
Calculus
Determinants
If the system of linear equations
$x+ky+3z=0,3x+ky−2z=0,2x+4y−3z=0$
has a non-zero solution
$(x,y,z)$
then
$y_{2}xz $
is equal to
class 11
Math
Algebra
Quadratic Equations
If
$α,β∈C$
are distinct roots of the equation
$x_{2}−x+1=0$
then
$α_{101}+β_{107}$
is equal to
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 3
You're on page
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page
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