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
Show/Hide Answer
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
Show/Hide Answer
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 |
