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gas particles MCQ Questions for Class 11

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3 questions tagged with gas particles.

Question 1/3 Expert Geography Composition and Structure of Atmosphere Layers of the atmosphere Class 11 Level 59

किस परत में अत्यंत कम घनत्व के कारण गैसीय कणों का मार्ग लंबा हो जाता है?

In which layer does extremely low density make the path of gas particles long?

Explanation opens after your attempt
Correct Answer

D. बाह्यमंडलExosphere

Step 1

Concept

In the exosphere, distance between particles is very large, so collisions are rare. This allows particles to travel long distances.

Step 2

Why this answer is correct

The correct answer is D. बाह्यमंडल / Exosphere. In the exosphere, distance between particles is very large, so collisions are rare. This allows particles to travel long distances.

Step 3

Exam Tip

बाह्यमंडल में कणों के बीच दूरी बहुत अधिक होती है इसलिए टक्कर कम होती है। इससे कण लंबी दूरी तय कर सकते हैं।

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Question 2/3 Easy Geography Composition and Structure of Atmosphere Layers of the atmosphere Class 11 Level 58

बहिर्मंडल को बहुत विरल परत क्यों कहा जाता है?

Why is the exosphere called a very rarefied layer?

Explanation opens after your attempt
Correct Answer

A. क्योंकि वहाँ गैस कण बहुत दूर दूर होते हैंBecause gas particles are very far apart there

Step 1

Concept

Gas particles in the exosphere are at very low density. Exam tip: connect rarefied air with the outer layer.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि वहाँ गैस कण बहुत दूर दूर होते हैं / Because gas particles are very far apart there. Gas particles in the exosphere are at very low density. Exam tip: connect rarefied air with the outer layer.

Step 3

Exam Tip

बहिर्मंडल में गैस कण बहुत कम घनत्व में होते हैं। परीक्षा में विरल वायु और बाहरी परत को जोड़ें।

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Question 3/3 Easy Chemistry Some Basic Concepts of Chemistry Nature of matter Class 11 Level 1

गंध का कमरे में फैलना किस घटना का उदाहरण है?

Spreading of smell in a room is an example of which phenomenon?

Explanation opens after your attempt
Correct Answer

B. विसरणDiffusion

Step 1

Concept

In diffusion particles spread on their own. Diffusion is fast in gases.

Step 2

Why this answer is correct

The correct answer is B. विसरण / Diffusion. In diffusion particles spread on their own. Diffusion is fast in gases.

Step 3

Exam Tip

विसरण में कण अपने आप फैलते हैं। गैसों में diffusion तेज होता है।

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