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Geography Waves and tides MCQ Questions for Class 11 Science

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Question 51/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

समुद्री लहरों का सबसे सामान्य कारण क्या है?

What is the most common cause of sea waves?

Explanation opens after your attempt
Correct Answer

A. हवाWind

Step 1

Concept

Wind pushes the sea surface and forms waves. For exams, write wind as the cause of normal waves.

Step 2

Why this answer is correct

The correct answer is A. हवा / Wind. Wind pushes the sea surface and forms waves. For exams, write wind as the cause of normal waves.

Step 3

Exam Tip

हवा समुद्र की सतह को धक्का देकर लहरें बनाती है। परीक्षा में सामान्य लहरों का कारण हवा लिखें।

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Question 52/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

लहर का सबसे ऊंचा भाग क्या कहलाता है?

What is the highest part of a wave called?

Explanation opens after your attempt
Correct Answer

B. शिखरCrest

Step 1

Concept

The crest is the highest part of a wave. For exams, connect crest with height.

Step 2

Why this answer is correct

The correct answer is B. शिखर / Crest. The crest is the highest part of a wave. For exams, connect crest with height.

Step 3

Exam Tip

लहर का शिखर उसका सबसे ऊंचा भाग है। परीक्षा में शिखर को ऊंचाई से जोड़ें।

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Question 53/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

लहर का सबसे निचला भाग क्या कहलाता है?

What is the lowest part of a wave called?

Explanation opens after your attempt
Correct Answer

C. गर्तTrough

Step 1

Concept

The trough is the lowest part of a wave. For exams, remember trough as opposite of crest.

Step 2

Why this answer is correct

The correct answer is C. गर्त / Trough. The trough is the lowest part of a wave. For exams, remember trough as opposite of crest.

Step 3

Exam Tip

लहर का गर्त उसका सबसे निचला भाग होता है। परीक्षा में गर्त को शिखर के विपरीत याद रखें।

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Question 54/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

लहर की ऊंचाई किससे मापी जाती है?

Wave height is measured between which points?

Explanation opens after your attempt
Correct Answer

D. शिखर और गर्त के बीचBetween crest and trough

Step 1

Concept

Wave height is the vertical distance between crest and trough. For exams, treat height as vertical distance.

Step 2

Why this answer is correct

The correct answer is D. शिखर और गर्त के बीच / Between crest and trough. Wave height is the vertical distance between crest and trough. For exams, treat height as vertical distance.

Step 3

Exam Tip

लहर की ऊंचाई शिखर और गर्त के बीच की ऊर्ध्व दूरी है। परीक्षा में ऊंचाई को ऊर्ध्व दूरी मानें।

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Question 55/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

दो लगातार शिखरों के बीच की दूरी क्या कहलाती है?

What is the distance between two successive crests called?

Explanation opens after your attempt
Correct Answer

A. तरंगदैर्ध्यWavelength

Step 1

Concept

The distance between two successive crests is wavelength. For exams, understand wavelength as horizontal distance.

Step 2

Why this answer is correct

The correct answer is A. तरंगदैर्ध्य / Wavelength. The distance between two successive crests is wavelength. For exams, understand wavelength as horizontal distance.

Step 3

Exam Tip

दो लगातार शिखरों के बीच की दूरी तरंगदैर्ध्य होती है। परीक्षा में तरंगदैर्ध्य को क्षैतिज दूरी समझें।

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Question 56/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

ज्वार-भाटा का मुख्य कारण कौन-सा बल है?

Which force is the main cause of tides?

Explanation opens after your attempt
Correct Answer

B. गुरुत्वाकर्षण बलGravitational force

Step 1

Concept

The gravity of the Moon and Sun affects seawater. For exams, remember gravity for tides.

Step 2

Why this answer is correct

The correct answer is B. गुरुत्वाकर्षण बल / Gravitational force. The gravity of the Moon and Sun affects seawater. For exams, remember gravity for tides.

Step 3

Exam Tip

चंद्रमा और सूर्य का गुरुत्व समुद्री जल को प्रभावित करता है। परीक्षा में ज्वार-भाटा के लिए गुरुत्वाकर्षण याद रखें।

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Question 57/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

ज्वार-भाटा मुख्य रूप से किन दो खगोलीय पिंडों से प्रभावित होता है?

Tides are mainly influenced by which two celestial bodies?

Explanation opens after your attempt
Correct Answer

C. चंद्रमा और सूर्यMoon and Sun

Step 1

Concept

Tides form due to the gravitational pull of the Moon and Sun. For exams, remember both bodies together.

Step 2

Why this answer is correct

The correct answer is C. चंद्रमा और सूर्य / Moon and Sun. Tides form due to the gravitational pull of the Moon and Sun. For exams, remember both bodies together.

Step 3

Exam Tip

चंद्रमा और सूर्य के गुरुत्वाकर्षण से ज्वार-भाटा बनता है। परीक्षा में दोनों पिंडों को साथ याद रखें।

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Question 58/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

उच्च ज्वार में समुद्री जल का स्तर कैसा होता है?

How is sea level during high tide?

Explanation opens after your attempt
Correct Answer

D. ऊपर उठा हुआRaised

Step 1

Concept

In high tide, sea level rises. For exams, link high tide with rising water.

Step 2

Why this answer is correct

The correct answer is D. ऊपर उठा हुआ / Raised. In high tide, sea level rises. For exams, link high tide with rising water.

Step 3

Exam Tip

उच्च ज्वार में जल स्तर ऊपर चढ़ता है। परीक्षा में उच्च ज्वार को जल चढ़ने से जोड़ें।

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Question 59/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

निम्न ज्वार में समुद्री जल का स्तर कैसा होता है?

How is sea level during low tide?

Explanation opens after your attempt
Correct Answer

A. नीचे उतरा हुआLowered

Step 1

Concept

In low tide, seawater falls. For exams, link low tide with falling water.

Step 2

Why this answer is correct

The correct answer is A. नीचे उतरा हुआ / Lowered. In low tide, seawater falls. For exams, link low tide with falling water.

Step 3

Exam Tip

निम्न ज्वार में समुद्री जल नीचे उतरता है। परीक्षा में निम्न ज्वार को जल घटने से जोड़ें।

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Question 60/600 Easy Geography Movements of Ocean Water Waves and tides Class 11 Level 110

ज्वारीय सीमा का अर्थ क्या है?

What does tidal range mean?

Explanation opens after your attempt
Correct Answer

B. उच्च और निम्न ज्वार के जल स्तर का अंतरDifference between high and low tide levels

Step 1

Concept

Tidal range is the water-level difference between high and low tide. For exams, remember range as difference.

Step 2

Why this answer is correct

The correct answer is B. उच्च और निम्न ज्वार के जल स्तर का अंतर / Difference between high and low tide levels. Tidal range is the water-level difference between high and low tide. For exams, remember range as difference.

Step 3

Exam Tip

ज्वारीय सीमा उच्च और निम्न ज्वार के बीच का जल स्तर अंतर है। परीक्षा में सीमा को अंतर के रूप में याद रखें।

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