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Atoms — Flashcards

Madhya Pradesh Board · Class 12 · Physics

68 flashcards for Atoms (Madhya Pradesh Board Class 12 Physics) to test yourself on key terms and facts. Sample: "J. J. Thomson के गैसों में विद्युत.

97 questions68 flashcards11 formulas & key relations5 concepts

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A labeled diagram showing the experimental setup for the Geiger-Marsden alpha-particle scattering experiment, including the alpha source, lead bricks, gold foil, and a movable detector screen.
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68 Flashcards·
Thomson and electron discoveryThomson atomic modelLimitations of Thomson modelRutherford atomic model
Card 1Thomson and electron discovery

J. J. Thomson के गैसों में विद्युत निर्वहन पर किए गए प्रयोगों का परिणाम बताइए।

Answer

1897 में गैसों में विद्युत निर्वहन प्रयोगों के माध्यम से इलेक्ट्रॉन की खोज हुई। ये कण सभी परमाणुओं में समान होते हैं और ऋणात्मक आवेश वहन करते हैं।…

Card 2Thomson and electron discovery

State the result of J. J. Thomson’s experiments on electric discharge through gases.

Answer

Electrons were discovered in 1897 through electric discharge experiments in gases. These particles are identical in all atoms and carry negative charge.

Card 3Thomson atomic model

What is Thomson’s atomic model called, and how is positive charge arranged in it?

Answer

Thomson proposed the plum pudding model in 1898. The positive charge is uniformly distributed throughout the atom, and electrons are embedded in it like seeds in a watermelon.

Card 4Thomson atomic model

Thomson के परमाणु मॉडल को क्या कहा जाता है, और उसमें धनात्मक आवेश कैसे व्यवस्थित होता है?

Answer

Thomson ने 1898 में प्लम पुडिंग मॉडल प्रस्तावित किया। धनात्मक आवेश पूरे परमाणु में समान रूप से वितरित रहता है, और इलेक्ट्रॉन उसमें तरबूज में बीजों की तरह जड़े होते हैं।…

Card 5Limitations of Thomson model

Thomson का मॉडल अस्थिर क्यों है?

Answer

यह वैद्युतस्थैतिक रूप से अस्थिर है। जड़े हुए ऋणात्मक इलेक्ट्रॉनों और वितरित धनात्मक आवेश वाला मॉडल परमाणु के लिए एक स्थिर विन्यास प्रदान नहीं करता।…

Card 6Limitations of Thomson model

Why is Thomson’s model unstable?

Answer

It is unstable electrostatically. A model with embedded negative electrons and distributed positive charge does not provide a stable arrangement for the atom.

Card 7Rutherford atomic model

State Rutherford’s nuclear model of the atom.

Answer

In Rutherford’s model, the entire positive charge and most of the mass are concentrated in a small nucleus, and electrons revolve around it like planets around the sun.

Card 8Rutherford atomic model

परमाणु के Rutherford के नाभिकीय मॉडल का कथन कीजिए।

Answer

Rutherford के मॉडल में, पूरा धनात्मक आवेश और द्रव्यमान का अधिकांश भाग एक छोटे नाभिक में केंद्रित होता है, और इलेक्ट्रॉन उसके चारों ओर सूर्य के चारों ओर ग्रहों की तरह परिक्रमा करते हैं।…

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Frequently Asked Questions

What are the important topics in Atoms for Madhya Pradesh Board Class 12 Physics?
Key topics in Atoms include Early ideas about atomic structure, Rutherford's alpha-particle scattering experiment, Rutherford's nuclear model and its limitations, Bohr model of the hydrogen atom. Study these first, then practise questions on each for the Madhya Pradesh Board Class 12 board exam.
How many flashcards are available for Atoms?
There are 68 flashcards for Atoms covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Atoms for the Madhya Pradesh Board Class 12 board exam?
Learn the core ideas first, then work through the 97 practice questions on Atoms. Revise definitions regularly and use flashcards for quick recall before the exam.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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