Physics Model Past Paper 2023 PDF

Part – 1 English

Choose the correct indirect speech: The peon said, “May I help you Sir”.
Answer: The peon respectfully asked if he could help him.

Contractions can be used in ______?
Answer: Informal letters

 He is angry _____ me.
Answer: With

 Pain : Sedative ::?
Answer: Grief : Consolation

My father has little patience. Here the word ‘little’ is an _____?senior
Answer: Adverb of quantity

Choose the imperative sentence in the following?
Answer: Please sit down

 The Antonym of Modern is?
Answer: Ancient

Antonym of ANTIPATHY is?
Answer: Fondness & Admiration

Where the topic sentence is generally placed in a paragraph?
Answer: At the start of the paragraph

 This is the best _______we can do.
Answer: That

Choose analogous pair: Light : Blind ::?
Answer: Speech : Dumb

Antonym of CULPRIT is?
Answer: Innocent

 The Synonym of Curse is?
Answer: Malediction

 Identify the conditional sentence: If you study hard, you will pass the test.
Answer: First Conditional

The Antonym of DISPARAGE is ___?
Answer: Praise

I have not seen her _______ June.
Answer: Since

“Lord, in the morning I start each day”. From which poem this line has been taken?
Answer: Thank You, Lord

The student will go camping ______ the vacation.
Answer: During

Identify the three dots in the sentence: The guests … were impressed by the library. Here three dots is?
Answer: Ellipsis

Are they hardworking _____ lazy?
Answer: Or

Generally, children have irregular sleep patterns. Here ‘generally’ is?
Answer: Adverb of frequency

 She laughed at the joke. Here laughed is a an _____?
Answer: Intransitive Verb

 Select the pair which has the same relationship: Grain : Salt ::?
Answer: Blades : grass

Change the voice: He asked me if I could drive a car.
Answer: I was asked if I could drive a car.

 Choose the correct possessive pronoun from the following?
Answer: Mine

Part-I: Teaching Methodology

 SOLO stands for ______?
Answer: Structure of observed learning outcomes

 Learning is based on reflecting on past and immediate experiences; this is an assumption of the philosophy of _____?
Answer: Constructivism

According to Bloom’s taxonomy of educational objectives, “Recall” is at the level of _____?
Answer: Knowledge

Provision of good educational environment is ____?
Answer: Non-Instructional task

 When an individual is ready to perform any action, he/she is at the level of ______?
Answer: Set

The school policy should be determined by ______?
Answer: Citizens and educators

A teacher who creates interests in the subject amongst the students is the most ______?
Answer: Competent

 Literal meaning of supervision is?
Answer: Superior knowledge and power

According to principles of realism, the universe is separated by _____?
Answer: Natural Laws

When questioning students who are below grade level, who should plan hands-on activities?
Answer: Teachers

 High and low achievers are sorted out by _____?
Answer: Discrimination powers

The chief source for the accomplishment of the aims of education is _____?
Answer: Curriculum

 The theory of moral development was presented by?
Answer: Lawrence Kohlberg

 Questions by the student is the sign of ______ teaching.
Answer: Motivated

 Elements of Curriculum are _____?
Answer: Four

 When an individual demonstrate willingness to participate in an activity, he/she is at the level of _____?
Answer: Responding

Selection based on the view that learners learn in different styles is named as _____?
Answer: Context variety

 CAI stands for ______?
Answer: Computer Assisted Instruction

 Heuristic means ______?
Answer: To investigate

Knowledge of child psychology helps the teacher in understanding the _____?
Answer: Behavior of children

The emotional development of student has a great relation with?
Answer: Behavioural

The evaluation used to improve contents during curriculum development is ______?
Answer: Formative evaluation

 Curriculum makers have most difficulty when ______?
Answer: The nature of the student population is changing

 To make arrangements is the part of ______?
Answer: Organizing

If a student learns from the culture of the school, it is the outcome of ____?
Answer: Implicit Curriculum

Part – II Physics

What happens to the power dissipation if the resistance in a circuit doubles while the voltage remains constant?
Answer: It halves

In an AC circuit, what does the power factor represent?
Answer: The ratio of real power to apparent power

The SI unit of electric power is?
Answer: Watt

In a p-type semiconductor, the ______ is the majority carrier.
Answer: Holes

 The ______ states that the algebraic sum of all voltages around a closed path is zero.
Answer: Kirchhoff’s voltage law (KVL)

 The distance between two successive crests or troughs of a wave is called ______?
Answer: Wavelength

The direction of lift force on an immersed body is _____?
Answer: Normal to the direction of the motion of the body

 1 kilometer is equal to how many feet?
Answer: 3280.84 ft

The period is the time required to complete ______ cycle.
Answer: One

Moment of inertia is the measure of resistance of a body to ______ acceleration.
Answer: Angular

 The capacitance of a variable air capacitor is at maximum when _____?
Answer: Both sets of plates are exactly meshed

An integrator is an op-amp circuit whose output is proportional to the ______ of the input signal.
Answer: Integral

In control systems, which method is most suitable for analyzing multiple-input multiple-output (MIMO) systems?
Answer: State-space representation

In a closed-loop control system, what is the primary advantage of using a PID controller?
Answer: All of these (Microgrid Controllers, Demand Side Management (DSM) & Phasor Measurement Units (PMUs))

 Which component of a smart grid is primarily responsible for real-time demand response and load balancing?
Answer: Demand Side Management (DSM)

 Which power electronic converter is used to convert AC power to variable DC voltage?
Answer: Controlled Rectifier

Which control technique is commonly used in switch-mode power supplies (SMPS)?
Answer: Pulse Width Modulation (PWM)

In digital signal processing, what is the main purpose of using the Z-transform?
Answer: To analyze and design linear time-invariant systems in the frequency domain

 Which method is commonly used for solving large-scale load flow problems due to its fast convergence?
Answer: Newton-Raphson method

What is the main advantage of using high-impedance grounding in a power distribution system?
Answer: It minimizes fault currents

 Why is a series-wound DC motor unsuitable for constant speed applications?
Answer: Its speed varies widely with changes in load

In a DC shunt motor, what is the primary consequence of an open field winding during operation?
Answer: The motor speed will increase uncontrollably

In frequency modulation (FM), what determines the bandwidth of the transmitted signal?
Answer: Frequency deviation and the highest frequency of the modulating signal

 How do you determine the Thevenin equivalent resistance (Rth)?
Answer: Remove the load resistor and calculate the resistance seen from its terminals

What is the primary reason for using flexible AC transmission systems (FACTS)?
Answer: To enhance the controllability and stability

Why are high-voltage direct current (HVDC) systems preferred for long-distance transmission?
Answer: They reduce transmission losses and improve efficiency

Why is distance protection preferred for high-voltage transmission lines?
Answer: It determines fault location based on impedance measurement

In a nuclear power plant, what is the primary function of a moderator?
Answer: To slow down fast neutrons and sustain the chain reaction

 In an LTI system, what does the observability condition ensure?
Answer: All state variables can be reconstructed from output measurements

Which key feature allows a smart grid to integrate renewable energy sources efficiently?
Answer: Advanced energy storage and real-time demand response
Explanation: Smart grids use energy storage and real-time monitoring to balance variable renewable sources like solar and wind with consumer demand.

In a three-phase induction motor, what causes the rotor to rotate?
Answer: The interaction between the motor’s rotating magnetic field and rotor currents

What is the main advantage of using a ring main distribution system over a radial system?
Answer: Improved reliability and continuity of supply

 Which characteristic equation property ensures a control system is stable?
Answer: All poles have negative real parts

 Which control system stability criterion is based on the location of poles in the s-plane?
Answer: Routh-Hurwitz criterion

 Which law states that the line integral of the magnetic field around a closed path is equal to the total current enclosed?
Answer: Ampere’s circuital law

Which semiconductor device is commonly used in high-power rectifier applications?
Answer: SCR (Silicon Controlled Rectifier)

Which protection scheme is commonly used for detecting faults in a transformer?
Answer: Differential protection

 Which type of relay operates when the impedance in a power system falls below a predetermined value?
Answer: Distance relay

What is the primary function of a protective relay in a power system?
Answer: Detect faults

 Which part of a DC machine is responsible for converting electrical energy into mechanical energy?
Answer: Armature

What is the main purpose of a modulator in communication systems?
Answer: To impress information on a carrier signal

Which component is used to protect power distribution systems from overcurrent?
Answer: Circuit breaker

What is the primary purpose of a step-down transformer in distribution systems?
Answer: Reduce voltage

What is the main advantage of digital signal processing (DSP) over analog?
Answer: Higher noise immunity

Which component in a control system is responsible for processing the error signal?
Answer: Controller

In a thermal power plant, what is the primary energy conversion?
Answer: Heat → Mechanical → Electrical

A device that converts mechanical energy into electric energy is called?
Answer: Generator

Which type of power is measured in volt-amperes (VA)?
Answer: Apparent power

Instantaneous power in an inductor is proportional to the ______?
Answer: Product of the instantaneous current and rate of change of current

The reciprocal of the resistivity of a material is called its?
Answer: Conductivity