rao iit academy iapt-nsep 2018-19 code - p160 / solutions · rao iit academy / iapt-nsep 2018-19 /...

Rao IIT Academy / IAPT-NSEP 2018-19 / Code - P160 / Solutions

Rao IIT Academy IAPT-NSEP 2018-19

Code - P160 / Solutions

Date: 25-11-2018

1.Di�iculty : Medium

Topics :

Physics,

Rao IIT Academy Website : www.raoiit.com1

2. Di�iculty : Medium

Topics :

Physics,

for solid cylinder.



Topics :

Physics,

when velocity makes 45o with acceleration,


Topics :

Physics,


Topics :

Physics,

Since sliding takes place at both the surfaces,

once sliding starts, on 15 kg block



Topics :

Physics,


Topics :

Physics,

Error decreases by a factor of 5.


Topics :

Physics,

From conservation of angular momentum .....(1)

From conservation of energy

.....(2)

Solving




Topics :

Physics,


Topics :

Physics,

Since is negative,


Topics :

Physics,




Topics :

Physics,

But


Topics :

Physics,

Loss of potential energy


Topics :

Physics,

At half the maximum height

and

Solving


Topics :

Physics,

;




Topics :

Physics,

In a stationary wave, all the particles between two consecutive nodes vibrate in the same phase.


Topics :

Physics,

pitch increases as water is being filled.


Topics :

Physics,


Topics :

Physics,




Topics :

Physics,


Topics :

Physics,

Along the initial direction,


Topics :

Physics,

and

C is minimum when is minimum.


Topics :

Physics,




Topics :

Physics,

From glass to air

from the le�

and 3.75 cm from the centre.


Topics :

Physics,


Topics :

Physics,

Intensity increases, reaches maximum and decreases.


Topics :

Physics,

Rate of cooling

Ratio




Topics :

Physics,

29.Di�iculty : Easy

Topics :

Physics,


Topics :

Physics,


Topics :

Physics,

For the lens

For the curved surface



32. Di�iculty : Easy

Topics :

Physics,

Net force on any loop in uniform magnetic field is zero.


Topics :

Physics,

Potential drop across the capacitor

Potential drop across the resistor

Rated heat dissociation


Topics :

Physics,


Topics :

Physics,

Near charge has more intensity.


Topics :

Physics,

Wheat stone bridge is balanced




Topics :

Physics,

Since and are mutually perpendicular,


Topics :

Physics,


Topics :

Physics,

and are parallel.


Topics :

Physics,




Topics :

Physics,


Topics :

Physics,

No correct option.

Best option (C) which is possible in resonace.


Topics :

Physics,


Topics :

Physics,

Solving




Topics :

Physics,


Topics :

Physics,

Breaking stress


Topics :

Physics,


Topics :

Physics,


Topics :

Physics,

Current is maximum in resonance.




Topics :

Physics,

Bonus

is not given.


Topics :

Physics,

Potential drop across diode is and across diode is .


Topics :

Physics,

Characteristic rays are produced due to electronic transition.


Topics :

Physics,


Topics :

Physics,

Both have equal momentum.




Topics :

Physics,

LASER has maximum coherence.


Topics :

Physics,


Topics :

Physics,


Topics :

Physics,




Topics :

Physics,

From above truth table

From 1st and 2nd row is indepedent of

From 1st and 3rd row is indepedent of

From 1st and 4th row is indepedent of


Topics :

Physics,

For the le� loop,

For the right loop,


Topics :

Physics,

in parts

in parts

in parts

in parts




Topics :

Physics,

Since the charge is maximum at


Topics :

Physics,

...(1)

...(2)

Solving and

when cell is removed, .

when cell is removed,


Topics :

Physics,

The given condition is possible only for the ray travelling along horizontal diameter.


Topics :

Physics,

Potential is zero along -axis work done is zero

is always along on -axis




Topics :

Physics,

At and

As time progresses, current increases and increases.


Topics :

Physics,

will be at the point of contact which has zero velocity. Angular momentum is not conserved due to torque of gravity.


Topics :

Physics,

Since area is same, emf ratio

Total emf


Topics :

Physics,

From symmetry





Topics :

Physics,

For proton,


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