Solved question paper for PHY Dec-2011 (DIPLOMA 1st-2nd)

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Physics Dec-2011

PSBTE • DIPLOMA • Information Technology • 1st-2nd • Dec-2011

PHY is the Physics subject for Punjab State Board of Technical Education Diploma in Engineering 1st-2nd semester students who want subject-wise previous year question papers. On this page, students can look for old papers in a semester-wise format to understand exam pattern questions, revision topics, and commonly repeated units before the exam. Use these PHY papers to practice important questions, check how Physics is asked in diploma exams, and revise faster from previous year question papers. BRpaper is not the official website of Punjab State Board of Technical Education or any board/university, and it only helps students find exam preparation material.

Question papers (year-wise) Solutions

Solved Questions

Solved

One dioptre is the power of a lens of one metre __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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__________ is the unit of capacitance.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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When the temperature of a metallic conductor is increased, its resistance always __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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The permeability of __________ material is less than one.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Signal is transmitted through optical fibre in the form of __________.

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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For which colour is the focal length of a convex lens more?

MCQ 1 Marks Dec-2011 • PSBTE DIPLOMA

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One coulomb is the point charge which when placed at one metre from an equal and similar point charge in vacuum repels it with a force.

MCQ 1 Marks Dec-2011 • PSBTE DIPLOMA

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Conductance is the reciprocal of

MCQ 1 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2018 Reciprocal of resistance is called conductance.

Dec 2016 Conductance is the reciprocal of

A charge is moving parallel to a magnetic field. Force acting on it is

MCQ 1 Marks Dec-2011 • PSBTE DIPLOMA

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Population inversion in helium-neon laser is produced by

MCQ 1 Marks Dec-2011 • PSBTE DIPLOMA

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Magnification of simple microscope

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Capacitance of parallel plate capacitor

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Derive the expression for capacity of a parallel plate capacitor.

Dec 2018 Find the expression for capacity of a parallel plate capacitor.

May 2015 Find expression for capacity of parallel plate capacitor.

Slide wire bridge

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Magnetic force

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Pumping

Fill in the Blanks 1 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss the laws of refraction and reflection.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2024 Define refraction of light. State laws of refraction.

Dec 2016 Define laws of reflections and refraction.

A reflecting type telescope has a large mirror of its objective of focal length 100 cm. What is the magnifying power of the telescope, if the eye piece has a focal length of 10 cm?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2015 The eye-piece of a telescope has a focal length of 10 cm. The distance between objective and eye-piece is 2.1 m. What is magnification of telescope?
What are the functions of dielectric?

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2016 What are the functions of dielectric?
State Ohm's law and give its mathematical form.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2021 State and explain Ohm’s law.

May 2019 Define Ohm’s Law. Give experimental verification of Ohm’s Law.

Dec 2018 State and explain Kirchhoff\'s laws for DC circuit.

May 2017
State and explain Ohm’s law with circuit diagram.
What are magnetic lines of force? State their properties.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 Give properties of magnetic lines of force.

May 2016 What are magnetic lines of force? Give properties of magnetic lines of force.

A conductor 100 cm long carries a current of 100 A at right angles to a uniform magnetic field of 1 wb/m². Calculate the force and power required to move the conductor at speed of 10 m/s in a plane at right angles to the magnetic field.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Discuss the atomic structure of germanium.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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What do you mean by three level laser? Explain.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2017
What is three level laser and four level laser? Explain with diagrams.
Show that when a plane mirror is rotated through an angle, the reflected rays turn through twice the angle.

Long Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Calculate the magnifying power of a simple microscope of focal length 5 cm. Distance of distinct vision is 25 cm.

Short Answer 5 Marks Dec-2011 • PSBTE DIPLOMA

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Find equivalent capacitance when three capacitors are connected in parallel.

Short Answer 7 Marks Dec-2011 • PSBTE DIPLOMA

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May 2023 Three capacitors each of 3 pF are connected in series to each other. Find their equivalent capacitance.

May 2017
Three capacitors each of 3 pF are connected in series to each other. Find their equivalent capacitance.

May 2016 Find equivalent capacitance when three capacitors are connected in series and parallel.
What must be the capacitance of a capacitor which is to store a charge of 0.01 coulomb when the potential difference is 500 volts.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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Find the equivalent resistance when three resistance are connected in parallel.

Short Answer 6 Marks Dec-2011 • PSBTE DIPLOMA

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May 2024 Find the equivalent resistance when three resistances are connected in (a) series.

May 2024 Find the equivalent resistance when three resistances are connected in (b) parallel.

May 2021 Find the equivalent resistance when three resistances are connected in (a) in series (b) in parallel

Dec 2018 Find equivalent resistance when three resistances are connected in series.

An incandescent lamp draws a current of 0.3 A at 240 volt. Find the resistance of lamp.

Short Answer 4 Marks Dec-2011 • PSBTE DIPLOMA

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May 2019 An incandescent lamp draws a current of 0.3 A at 240 volts. Find the resistance of lamp.

May 2015 An incandescent lamp draws a current of 0.3 A at 240 volt. Find the resistance of lamp.
Explain how a galvanometer can be converted into an ammeter. Why is an ammeter always connected in series?

Long Answer 10 Marks Dec-2011 • PSBTE DIPLOMA

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Dec 2015 Explain the conversion of galvanometer into ammeter. Why ammeter is always connected in series in circuits.
Explain with the help of diagram fullwave bridge rectifier in detail.

Long Answer 7 Marks Dec-2011 • PSBTE DIPLOMA

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May 2023 Explain the working half wave and full wave rectifier with diagram.

May 2021 Explain full wave bridge rectifier.

Dec 2017
Explain full- wave bridge rectifier working with circuit and wave diagrams in detail.

May 2016 What is Rectifier? Explain half wave rectifier with diagram.

Dec 2016 Explain the working of full bridge rectifier with help of diagram.

Dec 2015 What is Rectifier? Explain full wave bridge rectifier with diagram.
Find the distance of an unknown object from the earth, if laser beam take 5 second to return after reflection from it.

Short Answer 3 Marks Dec-2011 • PSBTE DIPLOMA

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FAQ

Frequently Asked Questions

Answers about this subject, solved papers, and preparation.

Updated regularly

01 Where can I find PHY previous year question papers for PSBTE Diploma?

You can use this subject page to find PHY subject-wise previous year question papers for the PSBTE Diploma in Engineering 1st-2nd semester.

02 Are PHY question papers available as PDF?

This page is meant to help students look for PHY question paper PDFs and other old paper resources, if available.

03 Can I use PHY old papers for exam preparation?

Yes, PHY previous year papers are useful for revision, understanding the exam pattern, and spotting repeated question styles.

04 Does this page provide solved PHY papers?

Students often search for solved papers, but availability may vary. This page focuses on PHY previous year question papers and exam preparation material.

05 What is the benefit of studying PHY PYQ papers?

PHY PYQ papers help you revise important topics, identify commonly asked units, and prepare more confidently for the exam.

Solved question paper for PHY Dec-2011 (DIPLOMA 1st-2nd)

Physics Dec-2011

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