Exam Details
| Subject | Communication Physics | |
| Paper | ||
| Exam / Course | Bachelor Degree Programme (Elective Course: Physics) | |
| Department | School of Sciences (SOS) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
1. Attempt any five parts
Define channel capacity C. If B Mb/s and S/N determine C for error free transmission.
Draw the standing wave pattern for an open ended lossless transmission line. Express VSWR in terms of reflection coefficient.
Determine carrier frequency and modulation frequency in an FM wave:
1000 sin (31n x 10^7 t 3 sin n x 104 t).
An ISD call is to be made from Delhi to a subscriber (no. ABCD) in Canada. You have to dial: 001-519-579-ABCD. Explain the significance of coded numbers as per the numbering plan.
Write the advantages of bluetooth technology.
A paraboloidal reflector D 7 efficiency 0.60 and f 12 GHz. Calculate the beam width.
Draw a block diagram of an elementary pulsed radar.
Distinguish between a Switch and a Router.
2. Attempt any two parts
Draw equivalent circuit of a transmission line in terms of lumped components and show that the characteristic impedance of the line is Zo sqrtL/C.
Draw any four standard waveforms used as test signals in a communication system. Explain the time domain response of a communication system using a step input.
Explain any five hardware techniques used for noise reduction.
3. Attempt any two parts:
Write down the mathematical equation of an A.M. wave. A carrier (10 kHz) is amplitude ". modulated by 300 Hz and 2 kHz signals. What are the frequency components in the modulated signal What bandwidth of RF amplifier is required to handle the output?
Explain ASK, FSK and PSK using appropriate diagrams.
Explain the implementation of sampling scheme used in TDM system for transmission of6 channels.
4. "Attempt any two parts:
Explain the working of an FM receiver with the help of a block diagram.
"Draw a neat diagram of a waveguide directional coupler structure and describe its working.
Explain the transmission of light in an optical fibre with an appropriate diagram. Describe the various losses in an optical fibre communication system.
5. Attempt any two parts:
Explain Von Neumann architecture of a computer.
Explain four main network topologies. Which one is the most rugged and the most cost effective?
Compare OSI and TCP/IP reference models in computer networks.
Define channel capacity C. If B Mb/s and S/N determine C for error free transmission.
Draw the standing wave pattern for an open ended lossless transmission line. Express VSWR in terms of reflection coefficient.
Determine carrier frequency and modulation frequency in an FM wave:
1000 sin (31n x 10^7 t 3 sin n x 104 t).
An ISD call is to be made from Delhi to a subscriber (no. ABCD) in Canada. You have to dial: 001-519-579-ABCD. Explain the significance of coded numbers as per the numbering plan.
Write the advantages of bluetooth technology.
A paraboloidal reflector D 7 efficiency 0.60 and f 12 GHz. Calculate the beam width.
Draw a block diagram of an elementary pulsed radar.
Distinguish between a Switch and a Router.
2. Attempt any two parts
Draw equivalent circuit of a transmission line in terms of lumped components and show that the characteristic impedance of the line is Zo sqrtL/C.
Draw any four standard waveforms used as test signals in a communication system. Explain the time domain response of a communication system using a step input.
Explain any five hardware techniques used for noise reduction.
3. Attempt any two parts:
Write down the mathematical equation of an A.M. wave. A carrier (10 kHz) is amplitude ". modulated by 300 Hz and 2 kHz signals. What are the frequency components in the modulated signal What bandwidth of RF amplifier is required to handle the output?
Explain ASK, FSK and PSK using appropriate diagrams.
Explain the implementation of sampling scheme used in TDM system for transmission of6 channels.
4. "Attempt any two parts:
Explain the working of an FM receiver with the help of a block diagram.
"Draw a neat diagram of a waveguide directional coupler structure and describe its working.
Explain the transmission of light in an optical fibre with an appropriate diagram. Describe the various losses in an optical fibre communication system.
5. Attempt any two parts:
Explain Von Neumann architecture of a computer.
Explain four main network topologies. Which one is the most rugged and the most cost effective?
Compare OSI and TCP/IP reference models in computer networks.
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Astronomy and Astrophysics
- Communication Physics
- Electric & Magnetic Phenomena
- Electrical Circuits and Electronics
- Elementary Mechanics / Ocillations & Waves
- Mathematical Methods in Physics-I/ Mathematical Methods in Physics-II
- Mathematical Methods in Physics-III
- Modern Physics
- Optics
- Physics of Solids
- Thermodynamics & Statistical Mechanics