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.
Which disease is caused by the deficiency of vitamin C?
View QuestionWhich vitamin is essential for calcium absorption?
View QuestionWhich organ regulates blood sugar levels in the human body?
View QuestionWhich scientist is known for the laws of motion?
View QuestionWhat is the pH of pure water at 25°C?
View QuestionWhich planet has the strongest gravitational force?
View QuestionWhat is the primary source of energy for life on Earth?
View QuestionWhat is the chemical formula of methane?
View QuestionWhat is the chemical formula of water?
View QuestionWhat type of macromolecule is an enzyme?
View Question