Class 11 Geography - Water (Oceans) - Temperature and salinity of ocean waters Medium Quiz

Level 34 • 2/50 questions • 35 seconds per question.

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समुद्री तल के मानचित्रण में ध्वनि तरंगें पानी में क्यों प्रभावी मानी जाती हैं?

Why are sound waves considered effective in ocean floor mapping through water?

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Correct Answer

A. क्योंकि वे पानी में यात्रा कर प्रतिध्वनि दे सकती हैंBecause they can travel through water and give echoes

Step 1

Concept

Sound waves can travel through water and reflect from the sea floor. Exam tip: remember sound echo as the base of sonar.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि वे पानी में यात्रा कर प्रतिध्वनि दे सकती हैं / Because they can travel through water and give echoes. Sound waves can travel through water and reflect from the sea floor. Exam tip: remember sound echo as the base of sonar.

Step 3

Exam Tip

ध्वनि तरंगें पानी में चलकर समुद्र तल से परावर्तित हो सकती हैं। परीक्षा में सोनार की बुनियाद ध्वनि प्रतिध्वनि याद रखें।

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समुद्री तल के मानचित्रण में कौन सा कथन सही है?

Which statement is correct about ocean floor mapping?

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Correct Answer

B. यह जल के नीचे छिपे स्थलरूपों को समझने में मदद करता हैIt helps understand landforms hidden under water

Step 1

Concept

Mapping reveals hidden underwater mountains plains and trenches. Exam tip: see ocean floor as a hidden landscape.

Step 2

Why this answer is correct

The correct answer is B. यह जल के नीचे छिपे स्थलरूपों को समझने में मदद करता है / It helps understand landforms hidden under water. Mapping reveals hidden underwater mountains plains and trenches. Exam tip: see ocean floor as a hidden landscape.

Step 3

Exam Tip

मानचित्रण से जल के नीचे छिपे पर्वत मैदान और खाइयाँ स्पष्ट होती हैं। परीक्षा में महासागर तल को छिपा हुआ भू-दृश्य समझें।

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