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hole-size MCQ Questions for Class 9

hole-size se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.

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3 questions tagged with hole-size.

Question 1/3 Medium Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 12

एक छात्र अलग आकार के छेदों से पानी निकलने की दर मापता है। स्वतंत्र चर कौन सा है?

A student measures water flow rate through holes of different sizes. Which is the independent variable?

Explanation opens after your attempt
Correct Answer

A. छेद का आकारSize of hole

Step 1

Concept

Hole size is deliberately changed so it is the independent variable. In exams identify the changed structural feature.

Step 2

Why this answer is correct

The correct answer is A. छेद का आकार / Size of hole. Hole size is deliberately changed so it is the independent variable. In exams identify the changed structural feature.

Step 3

Exam Tip

छेद का आकार जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदली गई संरचनात्मक विशेषता पहचानें।

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Question 2/3 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 12

छेद से पानी निकलने में लगा समय कौन सा चर है?

What type of variable is the time taken for water to flow through a hole?

Explanation opens after your attempt
Correct Answer

C. आश्रित चरDependent variable

Step 1

Concept

The water flow time is the measured result so it is the dependent variable. In exams identify the time outcome.

Step 2

Why this answer is correct

The correct answer is C. आश्रित चर / Dependent variable. The water flow time is the measured result so it is the dependent variable. In exams identify the time outcome.

Step 3

Exam Tip

पानी निकलने का समय मापा गया परिणाम है इसलिए यह आश्रित चर है। परीक्षा में समय वाले परिणाम को पहचानें।

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Question 3/3 Easy Science Exploration: Entering the World of Secondary Science Variables in an experiment Class 9 Level 12

एक छात्र अलग आकार के छेदों से पानी निकलने का समय मापता है। छेद का आकार क्या है?

A student measures water flow time through holes of different sizes. What is the hole size?

Explanation opens after your attempt
Correct Answer

B. स्वतंत्र चरIndependent variable

Step 1

Concept

The hole size is deliberately changed so it is the independent variable. In exams identify the changed property.

Step 2

Why this answer is correct

The correct answer is B. स्वतंत्र चर / Independent variable. The hole size is deliberately changed so it is the independent variable. In exams identify the changed property.

Step 3

Exam Tip

छेद का आकार जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदला गया गुण पहचानें।

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