Target Eng-2018 Rao IIT Academy Date: 20 May 2018 JEE ... · RAO IIT ACADEMY Rao IIT Academy / JEE...

RAO IIT ACADEMY Rao IIT Academy / JEE - ADVANCED EXAM - 2018 / PAPER - 1 / Solutions

Target Eng-2018 Rao IIT Academy JEE ADVANCED

EXAM 2018 / PAPER - 1 Solutions

Date: 20 May 2018

1. Di�iculty : Easy

Topics :

Rotational Mechanics,

Rao IIT Academy Website : www.raoiit.com1

PHYSICS


2.Di�iculty : Medium

Topics :


3. Di�iculty : Medium

Topics :

Surface tension,



4.Di�iculty : Di�icult

Topics :

Electromagnetic Induction( EMI ),




Topics :

MAGNETISM,


Topics :

Heat and thermodynamics,

Process-2 is isothermal expansion

Process-4 is isothermal compression

Process-1 is not isochoric

Hence (1) and (3) not isobaric

Correct options are (B), (C) and (D).




Topics :

Vectors,


Topics :

Sound wave,



9.Di�iculty : Easy

Topics :



Topics :

System of particles,

subtracting

It will reach natural length a�er half time period




Topics :

Capacitors,

Initial a�er \ fully charged

Now


Topics :

MAGNETISM,

Average speed is a scalar quantity,



13. Di�iculty : Di�icult

Topics :

Ray Optics,


Topics :

Heat and thermodynamics,




Topics :

Units,Dimensions & Error analysis,


Topics :

Units,Dimensions & Error analysis,




Topics :

Errors,


Topics :

Errors,


RAO IIT ACADEMY Rao IIT Academy / JEE - ADVANCED EXAM - 2018 / PAPER - 1 / Solutions CHEMISTRY


Topics :

P-block,

(B)

(C)

will

produce

is

thermally

stable

.


Topics :

Coordination Compounds,

Total no. of value

: Low spin

Total no. of value

: Low spin

Metal carbonyl bond strengths when the O.S of metal is lower because of increse in back bonding.




Topics :

P-block,

(A) Down the group basic character increases

(B) is dominate in ionic character due to metallic character of

(C) B.P.

H-bonding in


Topics :

Alkyl halides,




Topics :

Aromatic compounds,




Topics :

Thermodynamics,

Process AB is isothermal

BC is isobasic

CA is isochoric

(A)

(B)

(C)

is negative so

and

(D)

But


Topics :

Coordination Compounds,

Only has unpaired electrone




Topics :

Mole concept,Coordination Compounds,

Molecular weight of

Molecular weight of

Molecular weight of

Molecular weight of

moles of

Moles of

Moles of

Mass of complex formed

Total mass = mass of mass of complex


Topics :

Solid State,

In rock salt structrue (anion) F.C.C packed and present in octahedral void but here F.C.C and inoctahedral void.

(i) Remove all the anions(X) except central one so one anion remain

(ii) Replace all the FCC cation (M) by anion

(iii) Remove all the corner cation so

(iv) Now replace anion with cation

so

In Z




Topics :

Electrochemistry,

Anode :

Cathode :

__________________________________________________________

___________________________________________________________




Topics :

Gaseous State,

At equilibrium as well as

So, general equation

Before equilibrium for compartment

....(1)

For compartment

....(2)

equation (1) / (2)

Total volume




Topics :

Solution of gases in liquids,

For equimolar

So mole fractions

According to Rault's law

.....(1)

Now ......(2)

Given,

from equation (1)

Now

so




Topics :

Ionic equilibrium,

Let solubility of salt is

Now

and

so

So




Topics :

Liquids and gases,

For

From graph

For dimerization

Now ...(1)

...(2)

Now equation (1) / (2)

Now


Topics :

Aromatic compounds,

--




Topics :

Aromatic compounds,


Topics :

CARBOXYLIC ACIDS AND ITS DERIVATIVES,

--




Topics :

CARBOXYLIC ACIDS AND ITS DERIVATIVES,




Topics :

Complex Numbers,

which is discontinuous at

generates circle.


MATHEMATICS



Topics :

Solutions of Triangle,

triangle is isosceles.

area of

So area of circumcircle




Topics :

Three Dimensional Geometry,

are dr's of line

...(1)

...(2)

which is parallel to the line of intersection.

plane through having dr's as




Topics :

Application of derivatives,

...(1)

given relation

or ...(2)

is one one in

is twice di�erentiable with we can say if there exist a function satisfying the above conditions, then will also satisfy otherwise

as

Take

Using LMVT

for

...(1)

...(2)

(1) + (2) = ...(3)

Similarly,

for

...(7)

Now (3) and (7) =




Topics :

Application of derivatives,Indefinite integration,

Given is :

integrating :

as

...(1)

...(2)

as

as well as




Topics :

Area of triangle,Di�erential Equations,Definite integration,

...(1)

is a point on curve.

di�erentiating : using (1)

Solution :

passing through

does not lie on lies on




Topics :

LOGARITHMS,


Topics :

Permutations & Combinations,

Number to be used

repetition is allowed and number should be digit divisible by

i.e., last two digits should be divisible by

The possibilities of last two digits are as and remaining 3 places can be filled in ways

Anser is




Topics :

Sequence & Series,

Common series:

Now




Topics :

Inverse of a Function,Application of derivatives,

Now

using given expression

is one root.

is increasing

One root in




Topics :

Sum of limits using integration,Definite integration,

taking log:

Now




Topics :

Vectors,

are unit vectors i.e.

...(1)

...(2)

using (1)

Similarly

putting and in (2)


Topics :

Trigonometric Equations,

using tranformation formula




Topics :

Area under curve,

Shaded area of




Topics :

Circles,

collinear having equations as




Topics :

Circles,

tangent at

Let Mid-point of be

...(1)

...(2)




Topics :

Probability,

No. of ways of derranging 4 objects


Topics :

Probability,

is an event s.t. and do not sit adjacent to one another.


Target Eng-2018 Rao IIT Academy Date: 20 May 2018 JEE ... · RAO IIT ACADEMY Rao IIT Academy / JEE...

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Transcript of Target Eng-2018 Rao IIT Academy Date: 20 May 2018 JEE ... · RAO IIT ACADEMY Rao IIT Academy / JEE...