Subject: General Science
Book: NCERT Science Class 11
Waves transfer energy without transferring matter.
- **Types of Waves**:
- Mechanical Waves: Require a medium (sound waves).
- Electromagnetic Waves: Do not require a medium (light waves).
- **Wave Parameters**:
- Wavelength (λ), Frequency (f), Speed (v).
- v = fλ (Wave equation).
- **Interference and Diffraction**:
- Interference: Superposition of waves.
- Diffraction: Bending of waves around obstacles.
**Possible Exam Questions:**
1. What are the types of waves? Give examples.
2. State the wave equation and explain its significance.
3. What is the difference between interference and diffraction?
4. How does sound propagate in different mediums?
5. Explain the properties of electromagnetic waves.
Which particle is responsible for the negative charge of an atom?
View QuestionWhich disease is caused by a virus?
View QuestionWhat type of electromagnetic radiation has the longest wavelength?
View QuestionWhich gas is commonly used in balloons to make them float?
View QuestionWhat is the term for an organism that can make its own food?
View QuestionWhat is the chemical symbol for the element iron?
View QuestionWhich planet is known as the "Red Planet"?
View QuestionWhat is the primary function of red blood cells (RBCs) in the human body?
View QuestionWhat is the unit of electrical resistance?
View QuestionWhat is the chemical name of table salt?
View Question