Journey Inside the Atom
CBSE · Class 9 · Science
Flashcards for Journey Inside the Atom — CBSE Class 9 Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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Get startedWhat is matter made of at the smallest level?
Answer
Matter is made of tiny particles called atoms. Atoms are the basic building blocks of matter.
सूक्ष्मतम स्तर पर पदार्थ किससे बना होता है?
Answer
पदार्थ परमाणु कहलाने वाले बहुत छोटे कणों से बना होता है। परमाणु पदार्थ के मूल निर्माण खंड हैं।…
परमाणु कहलाने वाले अविभाज्य कणों का विचार सबसे पहले किसने दिया?
Answer
आचार्य कणाद ने बताया कि पदार्थ का बार-बार विभाजन करने पर सबसे छोटे कण, जिने परमानु कहा जाता है, मिलेंगे। उनके विचार संस्कृत ग्रंथ वैशेषिक सूत्र में दर्ज हैं।…
Who first suggested the idea of indivisible particles called parmanus?
Answer
Acharya Kanada suggested that repeated division of matter would reach the smallest particles called parmanus. His ideas are recorded in the Sanskrit text Vaisesika Sutras.
What did Leucippus and Democritus call indivisible particles?
Answer
They called indivisible particles atomos, which means indivisible.
ल्यूकिप्पस और डेमोक्रिटस ने अविभाज्य कणों को क्या कहा?
Answer
उन्होंने अविभाज्य कणों को atomos कहा, जिसका अर्थ अविभाज्य है।…
परमाणु के प्राचीन विचार और डाल्टन के परमाणु सिद्धांत में क्या अंतर है?
Answer
प्राचीन विचार काल्पनिक और दार्शनिक था, जबकि डाल्टन का परमाणु सिद्धांत पदार्थ किस प्रकार बना है, इसका पहला वैज्ञानिक वर्णन था और यह वैज्ञानिक प्रयोगों पर आधारित था।…
Why is the ancient idea of the atom different from Dalton's atomic theory?
Answer
The ancient idea was imaginary and philosophical, while Dalton's atomic theory was the first scientific description of how matter is made and was based on scientific experiments.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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