Solved question paper for PHY Dec-2015 (DIPLOMA 1st-2nd)

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Physics Dec-2015

PSBTE • DIPLOMA • Information Technology • 1st-2nd • Dec-2015

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

Plane angle and solid angle are the two __________ units in SI system.

Fill in the Blanks 1 Marks Dec-2015 • PSBTE DIPLOMA

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Speed is a _______ quantity and velocity is a __________ quantity.

Fill in the Blanks 1 Marks Dec-2015 • PSBTE DIPLOMA

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May 2019
Speed is a ______Quantity and velocity is a ______quantity.
Rolling friction is __________ as compared to sliding friction.

Fill in the Blanks 1 Marks Dec-2015 • PSBTE DIPLOMA

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Change in length per unit original length is called __________ strain.

Fill in the Blanks 1 Marks Dec-2015 • PSBTE DIPLOMA

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Device most convenient for measuring temperature of a furnace is _______.

Fill in the Blanks 1 Marks Dec-2015 • PSBTE DIPLOMA

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One Fermi is equal to 10-15.

True / False 1 Marks Dec-2015 • PSBTE DIPLOMA

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May 2018
One Fermi is equal to 10-15m
Angular velocity is defined as rate of change of displacement of a body.

True / False 1 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2024 Angular velocity is defined as rate of change of displacement of a body.

May 2019 Angular acceleration is defined as the rate of change of angular velocity of a body.

May 2018
Angular velocity is defined as rate of change of displacement of a body.
When we lower a bucket into a well to fetch water, the work done will be negative.

True / False 1 Marks Dec-2015 • PSBTE DIPLOMA

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Meniscus of tap water in capillary tube is convex.

True / False 1 Marks Dec-2015 • PSBTE DIPLOMA

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Expansion during heating decreases the density of material.

True / False 1 Marks Dec-2015 • PSBTE DIPLOMA

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Which of the following is a dimensionless constant quantity?

MCQ 1 Marks Dec-2015 • PSBTE DIPLOMA

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A body is moving in a circular path. The acceleration of the body acts along the

MCQ 1 Marks Dec-2015 • PSBTE DIPLOMA

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When torque acting on a system is zero, which of the following is constant?

MCQ 1 Marks Dec-2015 • PSBTE DIPLOMA

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Pressure is defined as force per unit

MCQ 1 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2023 Pressure is defined as force per unit

Dec 2019 Pressure is defined as force per unit:

Dec 2019 Pressure is defined as force per unit.

May 2016 Pressure is defined as force per unit
Which of the following temperature scales is independent of the physical properties of the substance used in the thermometer?

MCQ 1 Marks Dec-2015 • PSBTE DIPLOMA

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Convert a velocity of 12 cm/s into km/hr using dimensional analysis.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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Impulsive force of 200 N acts on a body for 1 second. Find the change in linear momentum.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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It is easier to pull than to push a lawn roller. Why?

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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May 2019
a) It is easier to pull a lawn roller than to push it. Explain.

Dec 2016 It is easier to pull a lawn roller than to push it. Explain.
Show that for a freely falling body, mechanical energy remains constant.

Long Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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Nov 2024 State and prove law of conservation of energy of freely falling body.

Dec 2024 State and explain conservation of mechanical energy of a freely falling body.

Dec 2023 Show that for a freely falling body, the total mechanical energy remains constant.

Dec 2023 Explain conservation of mechanical energy of a freely falling body.

May 2019 Show that for a freely falling body, total mechanical energy remains constant.

Dec 2019 Show that for a freely falling body, total mechanical energy is constant.

May 2017
Discuss principle of conservation of mechanical energy for a freely falling body.

May 2016 Prove that for freely falling body, Total mechanical energy remains constant.

Dec 2016 What is law of conservation of energy? Explain conservation of mechanical energy of a freely falling body.
What is moment of inertia? Differentiate between inertia and moment of inertia.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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What is capillary action or capillarity? Explain by giving at least five examples.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2023 Give two examples of capillary action.
What is the force required to stretch steel wire 1 cm^2 in cross-section to double its length? Given Y = 2 x 10^11 N/m^2

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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Convert 90° F into Kelvin scale.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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May 2019
Convert 90Ëš F into Kelvin scale
Define free, forced and resonant vibrations.

Short Answer 5 Marks Dec-2015 • PSBTE DIPLOMA

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May 2019
Define free, forced and resonant vibrations.

Discuss different scales of temperature measurement and derive relation between them.

Long Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2023 Derive a relation between different scales of temperature.

Dec 2019 Name different scales of temperature. Write relationship between them.

Dec 2016 Derive the relation between various scales of temperature.
Frequency of sound waves is 3300 Hz. Find its wavelength.

Short Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Define coefficient of viscosity and give its c.g.s. and S.I. units.

Short Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2024 What do you mean by term viscosity and coefficient of viscosity? Give its units.

Dec 2023 Define viscosity. What is coefficient of viscosity? Derive an expression for it and give its SI and CGS units.

May 2019
What do you mean by term viscosity and coefficient of viscosity? Give its units.

Dec 2019 Give dimensions of coefficient of viscosity.

Dec 2019 Define viscosity and coefficient of viscosity. Give dimensions of coefficient of viscosity.

May 2018
Explain coefficient of viscosity and give its unit.
State and prove law of conservation of angular momentum.

Long Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2023 State and prove law of conservation of linear momentum.

May 2019
State and prove conservation of linear momentum.

May 2019 State and prove law of conservation of angular momentum. Write down its applications.

Dec 2019 State and prove law of conservation of linear momentum.

Dec 2019 State and explain law of conservation of angular momentum.

May 2016 State and prove Law of conservation of linear momentum.

May 2016 State and prove Law of conservation of angular momentum.

Dec 2016 State and prove law of conservation of angular momentum.

A crane can lift a body of mass 100 kg vertically upwards with a speed of 3 m/s. Find the power of the engine.

Short Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Nov 2024 A crane lifts a mass of 150 kg vertically upwards with speed of 10 m/sec; calculate the power generated by crane.
Derive an expression for work done when a body is moving over a rough horizontal surface.

Long Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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What do you mean by banking of tracks? Derive an expression for the banking angle.

Long Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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A fly wheel of radius 42 cm is revolving with a speed of 120 r.p.m. Find its angular and linear velocities.

Short Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Derive an expression for the potential energy possessed by a body when raised through a certain height, by making use of dimensional equations.

Long Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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Dec 2019 Derive expression for P.E. possessed by a body of mass (m), when raised through a certain height (h) under the acceleration due to gravity (g) by using method of dimensions.

Dec 2019 Derive an expression for P.E. possessed by a body of mass (m), when raised through a certain height (h) under the acceleration due to gravity (g) by using method of dimensions.
Define significant figures. Write various rules/conventions for finding the significant figures.

Short Answer 10 Marks Dec-2015 • PSBTE DIPLOMA

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May 2017
What are significant figures? Give rules for finding significant figures.

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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-2015 (DIPLOMA 1st-2nd)

Physics Dec-2015

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