Describing Motion Around Us — Flashcards
CBSE · Class 9 · Science
80 flashcards for Describing Motion Around Us (CBSE Class 9 Science) to test yourself on key terms and facts. Part of the CBSE Class 9 Science syllabus.
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What is motion in a straight line called?
Answer
Motion in a straight line is called linear motion. Examples include children in a swimming race, a vertically falling ball, a car on a straight highway, and a train on a straight track.
सीधी रेखा में गति को क्या कहा जाता है?
Answer
सीधी रेखा में गति को रैखिक गति कहा जाता है। उदाहरणों में तैराकी की दौड़ में बच्चे, ऊर्ध्वाधर रूप से गिरती हुई गेंद, सीधी राजमार्ग पर कार, और सीधी पटरी पर ट्रेन शामिल हैं।…
किसी वस्तु की स्थिति का वर्णन कैसे किया जाता है?
Answer
किसी वस्तु की स्थिति का वर्णन एक स्थिर संदर्भ बिंदु लेकर और किसी दिए गए समय क्षण पर उस बिंदु से वस्तु की दूरी और दिशा बताकर किया जाता है।…
How is the position of an object described?
Answer
The position of an object is described by taking a fixed reference point and stating the distance and direction of the object from that point at a given instant of time.
What is the difference between an instant of time and a time interval?
Answer
An instant of time is a single reading of a clock at a given time. A time interval is the duration between two instants of time.
समय क्षण और समय अंतराल में क्या अंतर है?
Answer
समय क्षण किसी दिए गए समय पर घड़ी का एक अकेला पाठ होता है। समय अंतराल दो समय क्षणों के बीच की अवधि होता है।…
विस्थापन क्या है?
Answer
विस्थापन किसी वस्तु की दो दिए गए समय क्षणों के बीच स्थिति में हुआ निवल परिवर्तन है। इसमें परिमाण और दिशा दोनों होते हैं।…
What is displacement?
Answer
Displacement is the net change in the position of an object between two given instants of time. It has both magnitude and direction.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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