Subject: General Science
Book: NCERT Science Class 8
Sound is a form of energy produced by vibrations.
- **Characteristics of Sound**:
- Pitch, loudness, quality.
- **Propagation**:
- Travels through solids, liquids, gases.
- **Uses of Sound Waves**:
- SONAR, communication.
**Possible Exam Questions:**
1. What is the difference between pitch and loudness?
2. How does sound travel through different mediums?
3. What is the role of SONAR in underwater exploration?
4. Explain the working of the human ear.
5. Discuss harmful effects of noise pollution.
What is the unit of frequency?
View QuestionWhich is the smallest bone in the human body?
View QuestionWhat is the primary function of red blood cells (RBCs) in the human body?
View QuestionWhat is the chemical formula for carbon dioxide?
View QuestionWhich disease is caused by the deficiency of vitamin C?
View QuestionWhat is the chemical symbol for gold?
View QuestionWhich process in plants is responsible for the loss of water vapor?
View QuestionWhat is the unit of electrical resistance?
View QuestionWhich disease is caused by a virus?
View QuestionWhich organ regulates blood sugar levels in the human body?
View Question