Thursday, December 12, 2019
03:59 PM (GMT +5)

Go Back   CSS Forums > CSS Past Papers > CSS 2016 Papers

Reply Share Thread: Submit Thread to Facebook Facebook     Submit Thread to Twitter Twitter     Submit Thread to Google+ Google+    
 
LinkBack Thread Tools Search this Thread
  #1  
Old Friday, February 26, 2016
Junior Member
 
Join Date: Feb 2016
Posts: 5
Thanks: 0
Thanked 15 Times in 4 Posts
Jia Khan 97 is on a distinguished road
Default Physics Papers 2016

PAPER 1


PART II

QUESTION 2: a) State and prove Stoke's Theorem
b) Prove that if the vector is a gradient of a scalar function then its line integral around a closed curve is zero.
c) A particle moving along a curve x=2t^2, y= t^2 - 4t, z= 3t-5 where t is the time. Find the components of its velocity and acceleration at time t=1 in the direction 2i-3j+2k.


QUESTION 3: a) What is moment of inertia? State and prove parallel axis theorem.
b) Calculate rotational inertia of a hollow cylinder about cylindrical axis.

QUESTION 4: a) State and prove the Kepler's Laws of areas and Periods of planetary motion.

b) A satellite orbits at a height of 230km above the earth. What is the period of the satellite?

c) At what altitude above the earth surface the value of 'g' is three-quarters of its value at the surface of the earth.

QUESTION 5: a) What is diffraction grating? Explain how grating diffracts light? Derive relation for resolving power of grating.
b) What is meant by polarization of light? How can we get a plane-polarized light by a polarizing sheet?

QUESTION 6: a) Derive equation of Lorentz velocity transformations and show that the speed of light is independent of the relative motion between the frames of reference.
b) The siren of the police car emits a source tone at a frequency of 1125 Hz. Find the frequency that you receive in your car under the following circumstances.
i) Your car is at rest, police car moving towards you at 29 m/s.
ii) Police car at rest, your car moving towards it at 29 m/s.
iii) Your and police car are moving towards one another at 14.5 m/s
iv) Your car moving at 9 m/s, police car chasing behind you at 38 m/s.

QUESTION 7: a) Define Entropy. State Second Law of Thermodynamics in terms of Entropy.
b) Discuss applications of the first Law of Thermodynamics.
c) discuss briefly the Lissajous patterns

QUESTION 8: Explain any FOUR of the following:

a) Doppler's Effect
b) Bernoulli's Theorem
c) Newton's Rings
d) He-Ne Gas LASER
e) Brownian Motion
Reply With Quote
The Following 3 Users Say Thank You to Jia Khan 97 For This Useful Post:
civilengineer92 (Saturday, February 27, 2016), comp Engr (Tuesday, August 23, 2016), Engr Khan KSA (Saturday, February 27, 2016)
  #2  
Old Saturday, February 27, 2016
Junior Member
 
Join Date: Feb 2016
Posts: 5
Thanks: 0
Thanked 15 Times in 4 Posts
Jia Khan 97 is on a distinguished road
Default Paper 2 physics

PART II

QUESTION 2: a) Define Electric Field Intensity E. State its value for a point charge and give its units.
b) State differential form of Gauss's law and from there develop the Poisson and Laplace's equations.
c) A charge of 10( square root 2) Coulomb is located at (3i+4j+5k)m. Calculate the Electric field intensity at a point having position vector (5i+4j+3k)m.

QUESTION 3: a) Differentiate between a series and parallel resonant circuit.
b) Explain the construction and operation of a transformer. What are the energy losses in a transformer? How are they reduced to a minimum?
c) A series LCR circuit contains a coil with L=2.25 H, a capacitor having C= 16 microF and a resistor with R= 50 ohms. Calculate the impedance and phase difference between current and voltage. (Take frequency f= 50 Hz)

QUESTION 4: a) State and explain basic postulates of Quantum Physics.
b) Briefly explain with examples what do you mean by Eigen Function and Eigen Values.
c) Derive the time-dependent Schrodinger wave equation for a free particle.

QUESTION 5: a) Why the resistivity of metals increases with temperature but that of the semiconductors decreases?
b) In the process of making semiconductor devices, why silicon is preferred over Germanium?
c) Briefly explain the construction and operation of a Bipolar Junction Transistor (BJT). How can it be used as an Amplifier?

QUESTION 6: a) What do <1 1 1>, [010], (111) and {100} represent for a cubic crystal lattice?
b) What is packing factor? Determine the Atomic Packing Factor of FCC Lattice.
c) With neat diagram showing X-ray Diffraction, derive an expression for Bragg's Law.

QUESTION 7: a) Define Curie and Becquerel. Establish the relation between them.
b) Calculate the decay constant for C-14 which has a half-life of 5730 years.
c) State and explain the Half-Life and Mean life of a radioactive element. Show that <T> is greater than [T1/2].

QUESTION 8: Write short notes on any two of the following:
a) Zeeman Effect
b) Faraday's Law of Electromagnetic Induction
c) Elementary Particles and their Properties.
Reply With Quote
The Following User Says Thank You to Jia Khan 97 For This Useful Post:
Siddique (Wednesday, March 30, 2016)
  #3  
Old Saturday, February 27, 2016
Junior Member
 
Join Date: Feb 2016
Posts: 5
Thanks: 0
Thanked 15 Times in 4 Posts
Jia Khan 97 is on a distinguished road
Default PHYSIC PAPER II Objective

QUESTION 1

1. Radius of curvature of the path of a particle in magnetic field can be increased by i) Increasing its velocity ii) Decreasing its velocity iii) Decreasing its magnetic field iv) None of these

2. Mutual Inductance of two coils is maximum when:
i) They are touching ii) They are inclined at 45 degrees to each other. iii) They are inclined at 60 degrees to each other. iv) None of these

3. Compass needle placed near a box shows deflection. the box does not contain a magnet. It contains i) a current carrying conductor

4. Two opposite current-carrying wires will i) attract ii) Repel ii) Do not affect each other iv) None of these

5. Ability to get magnetized is dependent on i) Permeability ii) Permitivity iii) Magnetic Viscosity iv) None of these

6. Pauli exclusion principle is applicable on i) Bossons ii) Fermions

7. For bound particles, the energy states are given as: i) Continuous ii) Degenerate iii) Discrete iv) None

8. Two photons are receding from each other, their relative velocity will be given as i) c ii) 2c iii) c/2 iv) None

9. Both in its cut-off and saturation mode, a transistor acts as a i) Switch ii) Linear Amplifier iii) Variable capacitor iv) None

10. Negative feedback does not improve i) Nonlinear distortion ii) Power Bandwidth iii) Gain Stability iv) None

11. Energy Gap of Si atom is the distance between its valence band and
i) Conduction Band ii

12. Ideal Diode is used for i) Troubleshooting ii) To make precise calculations iii)

13. Inductance is given as i) Flux/Length ii) flux/ current iii) Flux/Area iv) None

14. Isobars are nuclides that have i) Same A and Z ii) Same A different Z iii) Same Z different A iv) None

15. The dipole moment of nucleus will be i) Zero ii) Infinite iii)

16. Liquid drop nucleus model is known as i) Einstein mass-energy relation ii) Mass-velocity model iii) sei-empirical mass model iv) None

17. The shell model purports that the constituent nuclear parts will move

18. The number of atoms per unit cell in fcc is i) 2 ii) 3 iii) 4 iv) None

19. A solid with many small crystalline portions is called i) amorphous solid ii) Crystalline solid iii) Polycrystalline solid iv) None

20. Collective vibrations of an atom are called i) phonons ii) Photons
Reply With Quote
  #4  
Old Tuesday, March 01, 2016
Member
 
Join Date: Mar 2015
Posts: 38
Thanks: 27
Thanked 23 Times in 12 Posts
Uzair Awan is on a distinguished road
Default

1. Radius of curvature of the path of a particle in magnetic field can be increased by i) Increasing its velocity ii) Decreasing its velocity iii) Decreasing its magnetic field iv) None of these

2. Mutual Inductance of two coils is maximum when:
i) They are touching ii) They are inclined at 45 degrees to each other. iii) They are inclined at 60 degrees to each other. iv) None of these

3. Compass needle placed near a box shows deflection. the box does not contain a magnet. It contains i) a current carrying conductor

4. Two opposite current-carrying wires will i) attract ii) Repel ii) Do not affect each other iv)None of these

5. Ability to get magnetized is dependent on i) Permeability ii) Permitivity iii) Magnetic Viscosity iv) None of these

6. Pauli exclusion principle is applicable on i) Bossons ii) Fermions

7. For bound particles, the energy states are given as: i) Continuous ii) Degenerate iii) Discrete iv) None

8. Two photons are receding from each other, their relative velocity will be given as i) c ii) 2c iii) c/2 iv) None

9. Both in its cut-off and saturation mode, a transistor acts as a i) Switch ii) Linear Amplifier iii) Variable capacitor iv) None

10. Negative feedback does not improve i) Nonlinear distortion ii) Power Bandwidth iii) Gain Stability iv) None

11. Energy Gap of Si atom is the distance between its valence band and
i) Conduction Band ii

12. Ideal Diode is used for i) Troubleshooting ii) To make precise calculations iii)

13. Inductance is given as i) Flux/Length ii) flux/ current iii) Flux/Area iv) None

14. Isobars are nuclides that have i) Same A and Z ii) Same A different Z iii) Same Z different A iv) None

15. The dipole moment of nucleus will be i) Zero ii) Infinite iii)

16. Liquid drop nucleus model is known as i) Einstein mass-energy relation ii) Mass-velocity model iii) sei-empirical mass model iv) None

17. The shell model purports that the constituent nuclear parts will move

18. The number of atoms per unit cell in fcc is i) 2 ii) 3 iii) 4 iv) None

19. A solid with many small crystalline portions is called i) amorphous solid ii) Crystalline solid iii) Polycrystalline solid iv) None

20. Collective vibrations of an atom are called i) phonons ii) Photons
Reply With Quote
The Following 2 Users Say Thank You to Uzair Awan For This Useful Post:
comp Engr (Tuesday, August 23, 2016), Saqlaina (Monday, July 24, 2017)
  #5  
Old Friday, September 06, 2019
Junior Member
 
Join Date: Sep 2019
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
SAFEEER AHMED PHYSIK is on a distinguished road
Post Mcq's

two wires carrying current in opposite direction repel each other...
Reply With Quote
Reply

Tags
2016, css, fpsc, physics

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Who is opting Physics in 2016? Ummar Awais Physics 47 Sunday, September 04, 2016 01:01 AM
Physics Papers 2000 Last Island CSS 2000 Papers 4 Friday, March 01, 2013 04:39 PM
Physics Papers 2009 Last Island CSS 2009 Papers 1 Saturday, October 31, 2009 09:08 PM
Physics Papers 2005 Last Island CSS 2005 Papers 1 Wednesday, June 10, 2009 10:28 PM


CSS Forum on Facebook Follow CSS Forum on Twitter

Disclaimer: All messages made available as part of this discussion group (including any bulletin boards and chat rooms) and any opinions, advice, statements or other information contained in any messages posted or transmitted by any third party are the responsibility of the author of that message and not of CSSForum.com.pk (unless CSSForum.com.pk is specifically identified as the author of the message). The fact that a particular message is posted on or transmitted using this web site does not mean that CSSForum has endorsed that message in any way or verified the accuracy, completeness or usefulness of any message. We encourage visitors to the forum to report any objectionable message in site feedback. This forum is not monitored 24/7.

Sponsors: ArgusVision   vBulletin, Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.