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Journey Inside the Atom — Flashcards

CBSE · Class 9 · Science

72 flashcards for Journey Inside the Atom (CBSE Class 9 Science) to test yourself on key terms and facts. Part of the CBSE Class 9 Science syllabus.

111 questions72 flashcards2 formulas & key relations5 concepts

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72 Flashcards·
Atomic conceptपरमाणु की अवधारणापरमाणु विचार की उत्पत्तिOrigin of atomic ideaपरमाणु सिद्धांत का विकासDevelopment of atomic theory
Card 1Atomic concept

What 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.

Card 2परमाणु की अवधारणा

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।…

Card 3परमाणु विचार की उत्पत्ति

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।…

Card 4Origin of atomic idea

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.

Card 5Origin of atomic idea

What did Leucippus and Democritus call indivisible particles?

Answer

They called indivisible particles atomos, which means indivisible.

Card 6परमाणु विचार की उत्पत्ति

ल्यूकिप्पस और डेमोक्रिटस ने अविभाज्य कणों को क्या कहा?

Answer

उन्होंने अविभाज्य कणों को atomos कहा, जिसका अर्थ अविभाज्य है।…

Card 7परमाणु सिद्धांत का विकास

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।…

Card 8Development of atomic theory

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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Frequently Asked Questions

What are the important topics in Journey Inside the Atom for CBSE Class 9 Science?
Key topics in Journey Inside the Atom include Origin and Development of Atomic Ideas, Discovery of Subatomic Particles and Atomic Models, Atomic Number, Mass Number, and Electronic Configuration, Isotopes, Isobars, and Atomic Mass. Study these first, then practise questions on each for Class 9 exams.
How many flashcards are available for Journey Inside the Atom?
There are 72 flashcards for Journey Inside the Atom covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Journey Inside the Atom for Class 9 exams?
Learn the core ideas first, then work through the 111 practice questions on Journey Inside the Atom. Revise definitions regularly and use flashcards for quick recall before the exam.

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