RMS: Instructions for Exams and OMR Sheets

• Test duration is 3 hours
• The test booklet contains 180 multiple-choice questions
• Each correct answer awards 4 marks
• Each incorrect answer deducts 1 mark
• Maximum marks achievable are 720

Exam Instructions

• Fill in all particulars on the test booklet's page
• Only one correct response is available for each question
• No textual material, printed or written papers, pagers, mobile phones or electronic devices are permitted inside the examination room/hall
• Answer sheet must be handed over to the invigilator after test completion
• Test booklets may be taken away by candidates

Optical Mark Recognition (OMR) Instructions

• Only use blue/black dark ballpoint pens
• Completely darken the bubbles
• Do not half-fill or over-fill the bubbles
• Pencils are prohibited
• No whiteners should be used to correct filling errors
• Writing is only allowed on the specified area of the OMR Sheet
• Folding the answer sheet or making stray marks is prohibited

Root Mean Square (RMS) Value of Current

• If I = I₀ sin(ωt) cos(ωt), the RMS value of current is given by I₀/2√2

Convex Lens Behavior

• For a convex lens to act as a convergent lens, the refractive index of the lens (µL) must be greater than the refractive index of the medium (µM)

Center of Mass Speed

• For two particles P and Q moving towards each other under mutual attraction, if the speeds of P and Q are V and 4V respectively, the speed of the center of mass of the two-particle system is zero

Peak Electric Field Strength

• Magnetic field in vacuum with a peak value of 60 × 10⁻⁹ T has a peak electric field strength of 18 V/m.

Electric Field Lines and Charge

• If 1 C charge has 10⁹ electric field lines, a closed surface enclosing +9µC, -2µC, and +1µC will have 8,000 net electric field lines crossing it

Statement on Vectors

• For any two vectors A and B, A + B = B + A
• For any two vectors A and B, A - B ≠ B - A

Doped Silicon

• Pure Silicon (Si) at 300K with equal electron and hole densities of 2.4 × 10¹⁶ m⁻³ has the electron density reduced to 8.0 × 10⁹ m⁻³ when doped to increase hole density to 7.2 × 10²² m⁻³

Force on Blocks

• For two blocks of 4kg and 2kg on a rough horizontal surface with coefficients of static friction 0.1 and 0.2 respectively, the minimum horizontal force required to start motion is 16N

Circuit Potential and Capacitance

• Potential difference between points A and B is 18V
• The circuit contains a 3µF capacitor with a charge of 30µC
• The unknown capacitor is equal to 1µF

Relation Between Mass and Radii of Particles

• Two particles having equal charges and equal kinetic energy enter perpendicularly in a uniform transverse magnetic field
• Describe circular paths of radius r1 and r2
• Masses are related as (r1/r2)²

Induced Current in a Circular Loop

• A circular loop moving towards a current-carrying wire will have a first anticlockwise and then clockwise current induced

Conservative Force

• Potential energy U as a function of position x described by U= 3x2 + 4x + 7 corresponds to a conservative force F = –6x – 4

Beat Frequency

• Beating two tuning forks of frequencies 522 Hz and 536 Hz simultaneously means a person hears a beat frequency of 14 Hz.

Projectile Motion

• Two projectiles thrown at angles 𝜃1 and 𝜃2(𝜃1 < 𝜃2 < 90°) possess the same time of flight
• Initial vertical speeds are of the same value

Gravitational Force

• For gravitational force F between two masses varying as F ∝ 1/r³, the orbital speed (v) of a satellite in a circular orbit varies with radius r as v ∝ 1/r

Bottom Mark Rising

• The refractive index of a liquid is 1.25, given that a mark at the bottom appears to rise by 0.4m and the liquid depth is 2m.

Force Acting on a Wire

• A current-carrying wire in a uniform magnetic field experiences a force. For a uniform magnetic field B = Bok, the force acting on wire PQ will be 3aIBok

Water Tank Hole

• The height of the hole from the bottom is 7.5 m
• A water tank of height 15m is completely filled with water
• The water hits the ground 15m away from the tank's bottom as it flows out of the hole

Balls Speed

• Two identical balls are thrown from a building with initial speed in different directions, the speeds with which balls strike the ground are equal

Sodium Surface Illumination

• Minimum KE of emitted electrons equals 0 eV
• The surface of the sodium is illuminated light of wavelength 7000 angstroms
• Work function equals 1.6 eV

Thermodynamic Process

• During the thermodynamic process AB, on an ideal gas
• The work done is first negative, then positive

Force on Particle

• With a force F(t) = (9-2t) N acting on a particle, magnitude of impulse imparted from t=0s to t=5s will be 20Ns

Ring

• Even if the ring is heated the air gap AB will remain shrinking because distances between any two points on an object increases with the increase in temperature

Tangential Acceleration

• A particle starts from rest and moves in a circle of radius 4/π m with uniformly increasing speed, completes 4 revolutions in first 2 s of motion, the tangential acceleration is 16 m/s²

Ideal Transformer Power Output

• In an ideal transformer with primary to secondary turns ratio of 3:7, an input power of P will result in an output power equal to P

Elastic String

• Given the length of an elastic string is x m when the tension is 10 N and y m when the tension is 12 N, the initial unstretched length is 6x-5y

Maximum Height of Particle

• When a particle is dropped from a height of 1,000 m, and the coefficient of restitution of the particle touching the ground is 1/4, the maximum height attained by the particle after two collisions with the ground will be 100/33 m

De-Broglie Wavelength

• A charged particle q enters a region of perpendicular uniform magnetic field B. The de-Broglie wavelength associated with the charged particle moving in the magnetic field is h/qBR, where R is the radius of trajectory and h Planck's constant.

Angular Momentum and Energy Absorption

• A hydrogen atom in ground state absorbs 12.75 eV of energy has its orbital angular momentum increased by 3.17 × 10⁻³⁴ Js

Significant Figures

• 26480 kg : 4 significant figures
• 32.0 m : 3 significant figures
• 0.21693 N/m : 5 significant figures
• 1.2 × 10⁶ C : 2 significant figures

Electrical Wire Force

• In this closed electrical wire shape, it is possible to find the resulting force using the tangent that makes 37 degree to the y-axis (4mg/5)

Average Air Velocity

• The average velocity is 7 m/s
• It can be obtained by calculating area and dividing by the time

Magnetic Susceptibility for Diamagnetic Substance

• Magnetic susceptibility is -1 < x < 0

Distance From West To East

• A man should swim 30° North of West

Velocity Time Graph of Bike

• The average velocity of the bike is 5m/s

Energy on Earth vs 2R

• The potential energy would be 1/6 mgR

Naming Compound

• Cyclohexylbutanoic acid

Reaction Rate

• 0.7 + 0.2 to give the rate

Given Quantum Number

• The electrons for a electron having highest energy in sodium atom the values will be, (1= 0, s= +1/2)

If GIVEN

• AH= -743.94

Electrical Resistance Formula

• Resistivity of 200 is present

Baeyer's Reagent Product

• Propene on reaction with Bayer's reagent produces CH3-CH-CH3 with an OH on the second and third carbon

Dipole Moments

• Incorrect dipole dipole for (CO2 < SO2)

List of elements

• Gd: 4f76s²
• Eu: 4f75d¹6s²
• Lu: 4f¹⁴5d¹6s²
• La: 5d¹6s²

List period

• Halogens exhibit the maximum ionization enthalpy in the period

List:Complexes

• [FeCl₄]²⁻ : sp³
• [PtCl₄]²⁻ : dsp²
• [CoF₆]⁴⁻ : sp³d²
• [Cr(H₂O)₆]³⁺ : d²sp³

Determining Glucose Reaction

• Glucose reacts to to form Gluconic Acid

Equilibrium Constant

• Adding inert gas is one way to not affect constant.

Nitrogen Assertion

• Nitrogen assertion exhibits 15 oxidation state, the reason does not exhibit +5 oxidation state

Balancing Reaction

• Balancing reactions is 4 and 3 in proportions

Statements Amine

• The amine produced by Hoffmann's bromamide degradation of benzamide is aniline, trimethyl

Beta-isomers

• The geometrical is 4

oxidation of pheromone

• Benyzye

Statements

• The statement are always ordered and increased in the ordered state

Acetone Reaction

• Acetone reacts with MGB products to form 2 methylpropane 2-o1

P values

• The greatest P value is seen OH on the Carbon to CN

Colour Coordination

• Purple: Cr₂O₇²⁻
• Orange: CrO₄²⁻
• Green: MnO₄²⁻
• Yellow: MnO₄²⁻

Species are known

• BF₆³⁻ is known

Non-Aromatic

• Non aromatic means that it lacks electron gain.

The formation of water

• A refers that the point follows the most stable state of H₂

Cornea Values

• Cornea comes from vitamin A, the lack there of

Electrolysis

• Hydrogen can be generated at cathode
• Oxygen can be generated at anode

Ca and List Elements

• Elements for all, D is all, B is none or only certain amounts

Group V

• Copper can be from Group 5

Frequency

• Use the formula given and choose the right one.

Boiling Order

• Propane<ethano<methox

Carious

• Is 10.21

Non-Benzoid

• Tropone

Ethanal

• Product obtained heating NaOH is 4

###Diamagnetic

• Diamagnetic series (H-),

Urea

• Kb = 0.52 k

Bacteria

• The glycocalyx in many bacteria with loose sheath is "capsule"

Human Genome

• The human Genome Project was 13year project

Genes in Operon

• The incorrect word operon is "inducer "

Cell

• Mesophyll

Cell division

• Mitosis will happen before that, meiosis 2 is the answer or what process

Production and Productivity

• Statement 1 is correct that means it has 170 million

Logic Growth

• Has geometric curve

Mender

• Generation 9:3:3:1 (F2 dehidribe cross)

Tissues

• Provides mechanical to petiole of leaf

Mobile Between

• The mobile carriet that allows transfer is 11 to 14

Pyruvic Acid

• An item used for alcohol fermentation

The correct pairs are

• Marchantia : gemmae
• Sphangnum: Peat
• Selaginella : microphylls
• Ferns : macrophylls

02H2

• Methanos grow with O2H2.

A researcher tests different drugs for their effects on

insomnia. Which of the following drugs is least likely to improve sleep and mental illnesses? (1) Cocaine

• A2B2 is the correct one and makes it very correct.

• Hepatitis
• Vessopressin
• Estrogen on Memory

The wrong pair is

• A4B1CID2.