Subject: General Science
Book: NCERT Physics Class 12
Study of signal transmission and communication technology.
- **Elements of a Communication System**:
- Transmitter, receiver, and channel.
- **Modulation**:
- AM, FM, and PM.
- **Propagation of EM Waves**:
- Skywave, space wave, and ground wave propagation.
**Possible Exam Questions:**
1. What are the basic elements of a communication system?
2. Explain amplitude modulation (AM) and frequency modulation (FM).
3. Describe different modes of wave propagation.
4. What is the significance of modulation in communication?
5. How do satellite communication systems work?
Which organelle is responsible for photosynthesis in plants?
View QuestionWhat is the primary function of red blood cells (RBCs) in the human body?
View QuestionWhat is the term for an organism that can make its own food?
View QuestionWhich organ stores and releases glucose in the human body?
View QuestionWhat is the unit of frequency?
View QuestionWhich gas is commonly used in balloons to make them float?
View QuestionWhat is the most common state of matter in the universe?
View QuestionWhich process separates light into its component colors?
View QuestionWhich component of blood carries oxygen?
View QuestionWhat is the unit of electric current?
View Question