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The total momentum of a system of masses (i.e. moving bodies) in any one direction remains constant, unless acted upon by an external force in that direct. This statement is called- किसी भी एक दिशा में द्रव्यमानों (अर्थात् गतिशील निकायों) के एक निकाय का कुल संवेग तब तक स्थिर रहता है, जब तक उस दिशा में कोई वाह्य बल न लगाया जाए। इस कथन को क्या कहा जाता है?

विषम भुजा कैलीपर (odd leg caliper) का क्या उपयोग है?

The usual method adopted for representing scale on map is...............

Seven professional are standing in a row. A journalist is to the immediate right of a pharmacist and to the immediate left of a teacher. An advocate is on the immediate right of an accountant. The advocate and pharmacist have one person between them. The teacher and a doctor have two persons between them. An architect and the pharmacist have two persons between them. Who is in the middle?

Two 3–Φ transformer can be operated in parallel if the..............condition is satisfied. दो 3–Φ परिणामित्र समान्तर में प्रचालित किये जा सकते है। यदि..............शर्त सन्तुष्ट है। 1. Same voltage ratio and same voltage refering to the primary and seconday of the transformer to be connected in parallel समान वोल्टता अनुपात और समान्तर में संयोजित किये जाने वाले ट्रांसफार्मर के प्राथमिक और द्वितीयक में समान वोल्टता का उल्लेख (भेजा जाना) 2. The phase displacement between primary and secondary must be the same for all transformers connected in parallel. समान्तर में दिये सभी परिणामित्र के लिये प्राथमिक और द्वितीयक के बीच कला विस्थापन एक समान होना चाहिए। 3. The phase sequence must be same. चरण अनुक्रम समान होना चाहिये।

A pair of contrasting characters controlling the same trait is called:

Ravi can row a boat in still water at the speed of 14 km/h. If a river is flowing at the speed of 2 km/h and Ravi takes 3 hours to cover a certain distance upstream, then how much time will he take to cover the same distance downstream?

The unit of electrical energy is वैद्युत ऊर्जा की इकाई है

Ethylbromide on treatment with silver cyanide gives/एथिलब्रोमाइड की अभिक्रिया सिल्वर साइनाइड के साथ कराने पर मिलता है।