NCERT Class 8 Arts Kriti (Sanskrit): Chapter 6 — सङ्गीततत्वनामम् अन्वेषणम्
This chapter, "ध्वनि विज्ञानम्" (Science of Sound), from NCERT Class 8 Arts Kriti, explores the scientific principles behind sound production and its characteristics. It explains that sound is produced by vibrations and travels as sound waves through a medium like air or water to our ears. The chapter introduces concepts like frequency (आवृत्तिः), which determines the pitch or sharpness of a sound, and timbre (टिम्ब्रे), which distinguishes different sounds even at the same pitch and loudness. It also discusses resonance (अनुनादः), where a vibrating object amplifies sound, as seen in percussion instruments. The text highlights the importance of traditional instrument makers (वाद्ययन्त्रनिर्मातारः) and the scientific knowledge applied in crafting musical instruments, encouraging students to learn about these artisans and their skills. This chapter connects art and science, fostering an understanding of acoustics and traditional crafts.
Quick info
| Board | CBSE / NCERT |
|---|---|
| Class | Class 8 |
| Subject | Arts |
| Book | Kriti (Sanskrit) |
| Chapter | Chapter 6 — सङ्गीततत्वनामम् अन्वेषणम् |
| Language | Sanskrit |
| PDF type | NCERT Textbook |
| Session | CBSE 2026 |
| Reading time | 1 minute |
| Word count | 200 |
Learning outcomes
- Understand that sound is produced by vibrations.
- Learn about frequency and its effect on sound pitch.
- Define and understand the concept of timbre.
- Explain resonance and its role in sound amplification.
- Appreciate the role of traditional instrument makers and the science in instrument construction.
Vocabulary
| Word | Meaning |
|---|---|
| कम्पनम् | Vibration |
| शब्दतरङ्गाः | Sound waves |
| आवृत्तिः | Frequency |
| टिम्ब्रे | Timbre (quality of sound) |
| अनुनादः | Resonance |
| वाद्ययन्त्रम् | Musical instrument |
| स्वरः | Tone/Pitch |
| वर्णः | Color/Quality (of sound) |
| तीव्रकम्पनम् | Rapid vibration |
| तीक्ष्णता | Sharpness/High pitch |
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Practice questions
- ध्वनिः केन उत्पद्यते? Answer: ध्वनिः कम्पनेन उत्पद्यते।
- आवृत्तिः इति किं कथ्यते? Answer: प्रति क्षणं कम्पनानां सङ्ख्या आवृत्तिः इति कथ्यते।
- उच्च आवृत्तिः कस्य कारणं भवति? Answer: उच्च आवृत्तिः शब्दस्य तीक्ष्णता (पिटच) वर्धयति।
- अनुनादः कस्य उदाहरणम् अस्ति? Answer: तालवाद्यस्य (पार्काशन-वाद्यम्) रिक्तं शरीरं वा कोटरं वा अनुनादं सृजति।
- वाद्ययन्त्रनिर्मातारः किमर्थं आवश्यकः सन्ति? Answer: पारम्परिककलायाः रक्षाणार्थं वाद्ययन्त्रनिर्मातारः आवश्यकः सन्ति।
Frequently asked questions
What causes sound according to the chapter?
According to the chapter, sound is produced by vibrations (कम्पनम्).
What is frequency (आवृत्तिः)?
Frequency (आवृत्तिः) is defined as the number of vibrations per second.
How does frequency affect sound?
A higher frequency (उच्च आवृत्तिः) results in a sharper or higher-pitched sound (तीक्ष्णता).
What is timbre (टिम्ब्रे)?
Timbre (टिम्ब्रे) refers to the quality or tone of a sound, which distinguishes different instruments or voices.
What is resonance (अनुनादः)?
Resonance (अनुनादः) is a phenomenon where a vibrating object amplifies sound, often seen in hollow bodies of musical instruments.
Why are traditional instrument makers important?
They are important for the preservation of traditional art (पारम्परिककला).
Related resources
Important topics
Topics covered
NCERT Class 8 Arts — Kriti (Sanskrit) — Chapter 6 — सङ्गीततत्वनामम् अन्वेषणम्. Verified by NCERT Help Editorial Team. Reviewed on 29 Jul 2026. Last updated 10 Aug 2026.