The heating time is deliberately changed so it is the independent variable. In exams identify the changed duration.
Step 2
Why this answer is correct
The correct answer is C. स्वतंत्र चर / Independent variable. The heating time is deliberately changed so it is the independent variable. In exams identify the changed duration.
Step 3
Exam Tip
गर्म करने का समय जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए समय को पहचानें।
Food temperature is measured as the result of heating time. In exams a measured temperature is the dependent variable.
Step 2
Why this answer is correct
The correct answer is D. आश्रित चर / Dependent variable. Food temperature is measured as the result of heating time. In exams a measured temperature is the dependent variable.
Step 3
Exam Tip
भोजन का तापमान गर्म करने के समय के परिणाम के रूप में मापा जाता है। परीक्षा में मापा गया तापमान आश्रित चर होता है।
The amount of food is kept the same so it is a controlled variable. In exams identify factors kept constant.
Step 2
Why this answer is correct
The correct answer is A. नियंत्रित चर / Controlled variable. The amount of food is kept the same so it is a controlled variable. In exams identify factors kept constant.
Step 3
Exam Tip
भोजन की मात्रा समान रखी जाती है इसलिए यह नियंत्रित चर है। परीक्षा में स्थिर रखे गए कारक पहचानें।
Spoon size is deliberately changed so it is the independent variable. In exams identify the factor changed by the experimenter.
Step 2
Why this answer is correct
The correct answer is B. स्वतंत्र चर / Independent variable. Spoon size is deliberately changed so it is the independent variable. In exams identify the factor changed by the experimenter.
Step 3
Exam Tip
चम्मच का आकार जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में प्रयोगकर्ता द्वारा बदले गए कारक को पहचानें।
Dissolving time is the measured result so it is the dependent variable. In exams identify the measured time.
Step 2
Why this answer is correct
The correct answer is C. आश्रित चर / Dependent variable. Dissolving time is the measured result so it is the dependent variable. In exams identify the measured time.
Step 3
Exam Tip
घुलने का समय मापा गया परिणाम है इसलिए यह आश्रित चर है। परीक्षा में मापे गए समय को पहचानें।
Water volume is kept the same so it is a controlled variable. In exams keep it constant for a fair comparison.
Step 2
Why this answer is correct
The correct answer is D. नियंत्रित चर / Controlled variable. Water volume is kept the same so it is a controlled variable. In exams keep it constant for a fair comparison.
Step 3
Exam Tip
पानी का आयतन समान रखा जाता है इसलिए यह नियंत्रित चर है। परीक्षा में निष्पक्ष तुलना के लिए इसे स्थिर रखें।
Surface colour is changed so it is the independent variable. In exams identify the changed property.
Step 2
Why this answer is correct
The correct answer is A. स्वतंत्र चर / Independent variable. Surface colour is changed so it is the independent variable. In exams identify the changed property.
Step 3
Exam Tip
सतह का रंग बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए गुण को पहचानें।
Temperature is measured as the effect of surface colour so it is the dependent variable. In exams choose the measured quantity.
Step 2
Why this answer is correct
The correct answer is B. आश्रित चर / Dependent variable. Temperature is measured as the effect of surface colour so it is the dependent variable. In exams choose the measured quantity.
Step 3
Exam Tip
तापमान सतह के रंग के प्रभाव के रूप में मापा जाता है इसलिए यह आश्रित चर है। परीक्षा में मापी गई मात्रा चुनें।
Surface size is kept the same so it is a controlled variable. In exams keep other conditions constant.
Step 2
Why this answer is correct
The correct answer is C. नियंत्रित चर / Controlled variable. Surface size is kept the same so it is a controlled variable. In exams keep other conditions constant.
Step 3
Exam Tip
सतह का आकार समान रखा जाता है इसलिए यह नियंत्रित चर है। परीक्षा में अन्य स्थितियों को स्थिर रखें।
The amount of sand is deliberately changed so it is the independent variable. In exams identify the changed amount of material.
Step 2
Why this answer is correct
The correct answer is D. स्वतंत्र चर / Independent variable. The amount of sand is deliberately changed so it is the independent variable. In exams identify the changed amount of material.
Step 3
Exam Tip
रेत की मात्रा जानबूझकर बदली जाती है इसलिए यह स्वतंत्र चर है। परीक्षा में बदले गए पदार्थ की मात्रा पहचानें।
