You are currently viewing MCQ Questions for Class 12 Physics Chapter 15 Communication Systems with Answer Keys

MCQ Questions for Class 12 Physics Chapter 15 Communication Systems with Answer Keys

If you are preparing for CBSE Class 12 Board Exam Term 1 which will be an objective type questions paper, then you need to practice multiple choice questions of Class 12 Physics Chapterwise. In this article of AKVTutorials, you will get MCQ Questions for Class 12 Physics Chapter 15 Communication Systems with Answer Keys.

MCQ Questions for Class 12 Physics Chapter 15 Question No 1:

Fibre optic cable, co-axial cable, twisted pair cables are examples of

Option A : Transmitter

Option B : Receiver

Option C : Channel

Option D : Transducer

Show/Hide Answer

Option C : Channel

MCQ Questions for Class 12 Physics Chapter 15 Question No 2:

The three basic elements of any communication system are

Option A : Transducer, Transmitter, Receiver

Option B : Transmitter, Channel, Receiver

Option C : Transducer, Channel, Receiver

Option D : Transducer, Channel, Transmitter

Show/Hide Answer

Option B : Transmitter, Channel, Receiver

MCQ Questions for Class 12 Physics Chapter 15 Question No 3:

Current or Voltage variations (with respect to time) of an analog signal is

Option A : Discontinuous

Option B : Continuous as well as discontinuous

Option C : Continuous

Option D : Continuous or discontinuous

Show/Hide Answer

Option C : Continuous

MCQ Questions for Class 12 Physics Chapter 15 Question No 4:

The message signal takes which of the following path in a communication system

Option A : Transmitter → Transducer → Channel → Receiver

Option B : Transducer → Transmitter → Receiver

Option C : Transducer → Transmitter → Channel → Receiver

Option D : Channel → Transducer → Transmitter → Receiver

Show/Hide Answer

Option C : Transducer → Transmitter → Channel → Receiver

MCQ Questions for Class 12 Physics Chapter 15 Question No 5:

Which of the following is not an example of broadcast communication system

A) Television

B) Fax

C) Radio

D) Telephone

Option A : A and C

Option B : B and D

Option C : A, B and C

Option D : A and D

Show/Hide Answer

Option B : B and D

MCQ Questions for Class 12 Physics Chapter 15 Question No 6:

The principle used in the transmission of signals through a fibre optic cable is

Option A : Reflection

Option B : Refraction

Option C : Total internal reflection

Option D : Diffraction

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Option C : Total internal reflection

MCQ Questions for Class 12 Physics Chapter 15 Question No 7:

Communication is 

Option A : Transmitting information only

Option B : Processing of information only

Option C : Receiving of information only

Option D : Transmitting, Processing and reception of information

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Option D : Transmitting, Processing and reception of information

MCQ Questions for Class 12 Physics Chapter 15 Question No 8:

Which of the following is the channel used in Radio communication

Option A : Free space

Option B : Twisted pair cables

Option C : Coaxial cable

Option D : Fiber optic cable

Show/Hide Answer

Option A : Free space

MCQ Questions for Class 12 Physics Chapter 15 Question No 9:

Which Indian Physics made significant contribution to the field of radio transmission

Option A : Sir C.V Raman

Option B : S. Chandrashekar

Option C : Jagdish Chandra Bose

Option D : M.S. Swaminathan

Show/Hide Answer

Option C : Jagdish Chandra Bose

MCQ Questions for Class 12 Physics Chapter 15 Question No 10:

Loss of signal strength while propagating through the medium is known as

Option A : Amplification

Option B : Modulation

Option C : Attenuation

Option D : Demodulation

Show/Hide Answer

Option D : Demodulation

CBSE Class 12 Physics Chapterwise MCQ
1 : Electric Charge & Fields MCQs
| 1 to 10 | 11 to 20
2 : Electrostatics Potential and Capacitance MCQs
| 1 to 10 | 11 to 20
3 : Current Electricity MCQs
| 1 to 10 | 11 to 20
4 : Moving charges and Magnetism MCQs
| 1 to 10 | 11 to 20
5 : Magnetism and Matter MCQs
| 1 to 10 | 11 to 20
6 : Electromagnetic Induction MCQs
| 1 to 10 | 11 to 20
7 : Alternating Current MCQs
| 1 to 10 | 11 to 20
8 : Electromagnetic Waves MCQs
| 1 to 10 | 11 to 20
9 : Ray Optics and Optical Instruments MCQs
| 1 to 10 | 11 to 20
10 : Wave Optics MCQs
| 1 to 10 | 11 to 20
11 : Dual Nature of Radiation MCQs
| 1 to 10 | 11 to 20
12 : Atoms MCQs
| 1 to 10 | 11 to 20
13 : Nuclei MCQs
| 1 to 10 | 11 to 20
14 : Semi Conductor Electronics MCQs
| 1 to 10 | 11 to 20
15 : Communication Systems MCQs
| 1 to 10 | 11 to 20

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