एक छात्र अलग अलग सतहों पर खिलौना गाड़ी की दूरी मापता है। स्वतंत्र चर क्या है?
A student measures the distance travelled by a toy car on different surfaces. What is the independent variable?
Explanation opens after your attempt
B. सतह का प्रकारType of surface
Concept
The type of surface is deliberately changed so it is the independent variable. In exams choose the factor changed by the experimenter.
Why this answer is correct
The correct answer is B. सतह का प्रकार / Type of surface. The type of surface is deliberately changed so it is the independent variable. In exams choose the factor changed by the experimenter.
Exam Tip
सतह का प्रकार जानबूझकर बदला जाता है इसलिए यह स्वतंत्र चर है। परीक्षा में प्रयोगकर्ता द्वारा बदले गए कारक को चुनें।
Login to save your score, XP, coins and progress.
