Solved question paper for PHY May-2018 (DIPLOMA 1st-2nd)

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Physics May-2018

PSBTE • DIPLOMA • Information Technology • 1st-2nd • May-2018

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

SECTION-A

Q1. a) Fill in the blanks.

i. The dimensional formula of energy is ----------------.

Very Short Answer 10x1=10 Marks May-2018 • PSBTE DIPLOMA

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Number of fundamental and base units in S.I system is---------------.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2024 Number of fundamental and base units in S.I system is ____
A temperature of 100 C is equal to-------------- on Kelvin scale.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Momentum is the product of mass and -----------.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2018 Momentum is a product of mass and ________.

Sound is a --------- wave.

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2019
Sounds waves are a _______wave.

Dec 2019 Sound is a _____ wave.

Dec 2019 Sound is a wave.

Dec 2018 Sound waves are ________ in nature.
State True or False.

vi. Rolling is a combination of rotational and translation motion.

Very Short Answer May-2018 • PSBTE DIPLOMA

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Friction can be reduced to zero.

Very Short Answer May-2018 • PSBTE DIPLOMA

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One Fermi is equal to 10-15m

Very Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2015 One Fermi is equal to 10-15.

Air is heated by radiation.

Very Short Answer May-2018 • PSBTE DIPLOMA

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May 2016 Air is heated by conduction.
Angular velocity is defined as rate of change of displacement of a body.

Very Short Answer May-2018 • 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.

Dec 2015 Angular velocity is defined as rate of change of displacement of a body.
Multiple Choices.

i. The significant figures in 96.000 are

a) 3 b) 4 c) 5 d) 6

Very Short Answer 5x1=5 Marks May-2018 • PSBTE DIPLOMA

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Rate of change of Momentum is directly proportional to

a) Force b) Displacement c) Acceleration d) Velocity

Very Short Answer May-2018 • PSBTE DIPLOMA

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Ultrasonic waves are produced by

a) Piezo electrical oscillator b) Coloumb’s law c) Doppler’s effect d) Gauss’s law

Very Short Answer May-2018 • PSBTE DIPLOMA

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Action & Reaction do not balance each other because they

a) Act on same body b) Do not act on same body c) Are in opposite direction d) Are not equal.

Very Short Answer May-2018 • PSBTE DIPLOMA

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The velocity of sound is maximum in

a) Air b) Vaccum c) Steel d) Water

Very Short Answer May-2018 • PSBTE DIPLOMA

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SECTION-B

Q2. Attempt any six questions.

a. Convert 1 Newton of force into dyne using dimensional analysis

Short Answer 6x5=30 Marks May-2018 • PSBTE DIPLOMA

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May 2019
SECTION-B

Q2. Attempt any six questions. 6x5=30

a. Convert 1 Newton of force into dyne using dimensional analysis.

Differentiate between Echo and Reverberation time.

Short Answer May-2018 • PSBTE DIPLOMA

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May 2019
Differentiate between Echo and reverberation.

May 2019 Differentiate between Echo and Reverberation.
Define Crest, trough, wavelength, compression and rarefaction.

Short Answer May-2018 • PSBTE DIPLOMA

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State different modulus of elasticity.

Short Answer May-2018 • PSBTE DIPLOMA

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May 2019
State different modulus of elasticity.
Differentiate between scalar and vector quantities.

Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2023 What is the difference between scalar and vector quantities?

Dec 2023 Differentiate between Scalar and Vector quantities.

May 2020 Give difference between scalar and vector quantities.

May 2019
a) Give difference between scalar and vector quantities.

Explain coefficient of viscosity and give its unit.

Short Answer May-2018 • 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.

Dec 2015 Define coefficient of viscosity and give its c.g.s. and S.I. units.
What are the different modes of transfer of heat?

Short Answer May-2018 • PSBTE DIPLOMA

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Nov 2024 Write a note on different modes of heat transfer with examples.

Dec 2024 What are the different modes of transfer of heat? Explain with examples.

Dec 2023 Write a note on different modes of transfer of heat with examples.

May 2020 Discuss the different modes of transfer of heat.

May 2019
What are different modes of transfer of heat? Explain with examples.

May 2019 What are the three modes of heat transfer? Write examples of each.

Dec 2019 Define various modes of transfer of heat.

Dec 2018 What are different modes of transfer of heat? Explain with examples

May 2017
What are the three modes of heat transfer? Explain with examples.

May 2016 What are different modes of Transfer of heat?
Define pressure and give its units.

Short Answer May-2018 • PSBTE DIPLOMA

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Dec 2024 Define pressure and give its units.

Dec 2023 Define pressure? Give its SI and CGS units.

May 2020 Define pressure and give its units.

May 2019
Define pressure and give its units.
SECTION-C

Attempt any three questions.

Q3. State and explain law of conservation of energy.

Long Answer 3x10=30 Marks May-2018 • PSBTE DIPLOMA

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May 2019
SECTION-C

Attempt any three questions. 3x10=30
Q3. Explain conservation of mechanical energy of a freely falling body.

a) Define Friction, give its unit and explain laws of friction.

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

Long Answer May-2018 • PSBTE DIPLOMA

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a) Define free, forced and resonant vibrations

b) Melting point of gold is 10630 C. Find its value in degree Fahrenheit and degree Kelvin

Long Answer May-2018 • PSBTE DIPLOMA

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a) Check the correctness of the relation t = (2 pi sqrt ({l over g})) where t is time period of pendulum , l is length and g is acceleration due to gravity. b) Explain different system of units.

Long Answer May-2018 • PSBTE DIPLOMA

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State and explain Newton’s laws of motion.

Long Answer May-2018 • PSBTE DIPLOMA

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May 2020 Discuss the Newton’s law of motion in detail.

May 2019
State and explain Newton’s law of motion.

Dec 2011 State and prove Newton\'s third law of motion.

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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 May-2018 (DIPLOMA 1st-2nd)

Physics May-2018

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