Class 11 Geography - Movements of Ocean Water - Ocean currents Easy Quiz

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लहरों की ऊंचाई बढ़ने का सबसे सरल कारण क्या हो सकता है?

What can be the simplest reason for increase in wave height?

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Correct Answer

B. हवा की गति बढ़नाIncrease in wind speed

Step 1

Concept

Strong wind gives more energy to waves. For exams, remember the relation between wind speed and wave height.

Step 2

Why this answer is correct

The correct answer is B. हवा की गति बढ़ना / Increase in wind speed. Strong wind gives more energy to waves. For exams, remember the relation between wind speed and wave height.

Step 3

Exam Tip

तेज हवा लहरों को अधिक ऊर्जा देती है। परीक्षा में हवा की गति और लहर ऊंचाई का संबंध याद रखें।

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लहर का गर्त किस भाग को कहते हैं?

Which part is called the trough of a wave?

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Correct Answer

C. सबसे निचला भागLowest part

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. सबसे निचला भाग / Lowest part. The trough is the lowest part of a wave. For exams, remember trough as opposite of crest.

Step 3

Exam Tip

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

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लहर का शिखर किस भाग को कहते हैं?

Which part is called the crest of a wave?

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Correct Answer

D. लहर का सबसे ऊंचा भागHighest part of wave

Step 1

Concept

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

Step 2

Why this answer is correct

The correct answer is D. लहर का सबसे ऊंचा भाग / Highest part of wave. The crest is the highest part of a wave. For exams, connect crest with the raised part.

Step 3

Exam Tip

शिखर लहर का सबसे ऊंचा भाग होता है। परीक्षा में शिखर को ऊपर उठे भाग से जोड़ें।

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ज्वार-भाटा किस प्रकार की गति है?

Tides are what type of movement?

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Correct Answer

C. आवधिक समुद्री गतिPeriodic ocean movement

Step 1

Concept

Tides rise and fall at regular intervals. For exams, remember them as periodic movement.

Step 2

Why this answer is correct

The correct answer is C. आवधिक समुद्री गति / Periodic ocean movement. Tides rise and fall at regular intervals. For exams, remember them as periodic movement.

Step 3

Exam Tip

ज्वार-भाटा नियमित अंतराल पर चढ़ता और उतरता है। परीक्षा में इसे आवधिक गति के रूप में याद रखें।

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लहरों की दिशा किससे सबसे अधिक प्रभावित होती है?

Wave direction is most affected by what?

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Correct Answer

A. हवा की दिशाWind direction

Step 1

Concept

Waves can move in the direction in which wind gives energy. For exams, study wind and wave direction together.

Step 2

Why this answer is correct

The correct answer is A. हवा की दिशा / Wind direction. Waves can move in the direction in which wind gives energy. For exams, study wind and wave direction together.

Step 3

Exam Tip

हवा जिस दिशा में ऊर्जा देती है, लहरें उस ओर बढ़ सकती हैं। परीक्षा में हवा और लहर दिशा को साथ पढ़ें।

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तूफानी हवा का लहरों पर क्या प्रभाव हो सकता है?

What effect can stormy wind have on waves?

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Correct Answer

A. लहरें बड़ी और शक्तिशाली हो सकती हैंWaves can become large and powerful

Step 1

Concept

Stormy wind can give more energy and create high waves. For exams, remember the relation between storm and large waves.

Step 2

Why this answer is correct

The correct answer is A. लहरें बड़ी और शक्तिशाली हो सकती हैं / Waves can become large and powerful. Stormy wind can give more energy and create high waves. For exams, remember the relation between storm and large waves.

Step 3

Exam Tip

तूफानी हवा अधिक ऊर्जा देकर ऊंची लहरें बना सकती है। परीक्षा में तूफान और बड़ी लहर का संबंध याद रखें।

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लहर और महासागरीय धारा में सबसे सरल अंतर क्या है?

What is the simplest difference between a wave and an ocean current?

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Correct Answer

A. लहर मुख्यतः ऊर्जा का दोलन है, धारा जल का बहाव हैWave is mainly energy oscillation, current is water flow

Step 1

Concept

In waves, water particles oscillate, while in currents water flows. For exams, keep wave and current separate.

Step 2

Why this answer is correct

The correct answer is A. लहर मुख्यतः ऊर्जा का दोलन है, धारा जल का बहाव है / Wave is mainly energy oscillation, current is water flow. In waves, water particles oscillate, while in currents water flows. For exams, keep wave and current separate.

Step 3

Exam Tip

लहरों में जल कण दोलन करते हैं जबकि धारा में जल बहता है। परीक्षा में लहर और धारा को अलग रखें।

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लहरों और ज्वार-भाटा को एक ही अध्याय में क्यों पढ़ाया जाता है?

Why are waves and tides taught in the same chapter?

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Correct Answer

A. क्योंकि दोनों महासागरीय जल की गतियों के उदाहरण हैंBecause both are examples of ocean-water movements

Step 1

Concept

Both help understand movement of seawater. For exams, treat them as different movements of ocean water.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि दोनों महासागरीय जल की गतियों के उदाहरण हैं / Because both are examples of ocean-water movements. Both help understand movement of seawater. For exams, treat them as different movements of ocean water.

Step 3

Exam Tip

दोनों समुद्री जल की गति को समझने में मदद करते हैं। परीक्षा में इन्हें समुद्री जल की अलग-अलग गतियां मानें।

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यदि हवा लंबे समय तक समुद्र की सतह पर चलती रहे, तो लहरों पर क्या प्रभाव हो सकता है?

If wind blows over the sea surface for a long time, what can happen to waves?

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Correct Answer

A. लहरें अधिक विकसित हो सकती हैंWaves can become more developed

Step 1

Concept

Wind blowing for a longer time can give energy and grow waves. For exams, link wind duration with wave size.

Step 2

Why this answer is correct

The correct answer is A. लहरें अधिक विकसित हो सकती हैं / Waves can become more developed. Wind blowing for a longer time can give energy and grow waves. For exams, link wind duration with wave size.

Step 3

Exam Tip

लंबे समय तक हवा ऊर्जा देकर लहरों को बढ़ा सकती है। परीक्षा में हवा की अवधि को लहर आकार से जोड़ें।

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FAQs

Class 11 Geography Quiz FAQs

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