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Which law states that 'as the quantity of one factor is increased, keeping the other factors fixed, the marginal product of that factor will eventually decline?

A particle may be defined as an object which has:

प्रधानमंत्री नरेंद्र मोदी ने हाल ही में किस देश में अपने आधिकारिक दौरे की शुरुआत की है?

स्वदेशी लाइट टैंक 'जोरावर' का निर्माण डीआरडीओ ने किसके साथ मिलकर तैयार किया है?

नीचे दिए हुए दोनों कथनों पर विचार कीजिए जिसमें से एक को कथन (A) और दूसरे को कारण (R) कहा गया है : कथन (A) : नमक और बर्फ के मिश्रण से 0⁰C से नीचे का तापमान प्राप्त होता है कारण (R) : नमक बर्फ के जमाव बिन्दु को बढ़ा देता है ऊपर के दोनों कथनों के संदर्भ में निम्नलिखित में से कौन सा सही है?

Comprehension: (Q. 85 to 89) Read the given passage and answer the questions that follow. The Smith family from South-East England were celebrating Christmas at a beach resort in southern Thailand. Tilly Smith was a ten-year-old school girl; her sister was seven years old. Their parents were Penny and Colin Smith. It was 26 December 2004. Deadly tsunami waves were already on their way. They had been triggered by a massive earthquake off northern Sumatra earlier that morning. “The water was swelling and kept coming in,” Penny Smith remembered. “The beach was getting smaller and smaller. I didn’t know what was happening.” But Tilly Smith sensed that something was wrong. Her mind kept going back to a geography lesson she had taken in England just two weeks before she flew out to Thailand with her family. Tilly saw the sea slowly rise, and start to foam, bubble and form whirlpools. She remembered that she had seen this in class in a video of a tsunami that had hit the Hawaiian Islands in 1946. Her geography teacher had shown her class the video, and told them that tsunami can be caused by earthquakes, volcanoes and landslides. Tilly started to scream at her family to get off the beach. Tilly’s parents took her and her sister away from the beach to the swimming pool at the hotel. A number of other tourists also left the beach with them. “Then it was as if the entire sea had come out after them. I was screaming, ‘Run!’’ T he family took refuge in the third floor of the hotel. The building withstood the surge of three tsunami waves. If they had stayed on the beach, they would not have been alive. The Smiths later met other tourists who had lost entire families. Thanks to Tilly and her geography lesson, they had been forewarned. Tilly went back to her school in England and told her classmates her terrifying tale. Which of the following statements is correct as per the given passage?

भारत में ‘आम वर्षा (Mango Showers)' की घटना किस ऋतु से संबंधित है?

निर्देश- प्रश्न संख्या (177 से 184) निम्नलिखितं गद्यांशं पठित्वा अष्टप्रश्नानां उत्तराणि समुचितं विकल्पं चित्वा देयानि- कश्चित् गोमायुर्नाम शृंगाल: क्षुत्क्षामकण्ठ: इतस्तत: परिभ्रमन् वने सैन्यद्वयसंग्रामभूमिमपश्यत् । तस्याञ्च दुन्दुभे: पतितस्य वायुवशात् वल्ली शाखाग्रै: हन्यमानस्य शब्दमशृणोत्। अथ क्षुभितहृदयश्चिन्तयामास। अहो! विनष्टोअस्मि । तद्यावत् न अस्य प्रोच्चारितशब्दस्य दृष्टिगोचरे गच्छामि तावत् अन्यतो व्रजामि। अथवा नैतत् युज्यते सहसैव पितृपैतामहं वनं त्यत्कृम । उक्तञ्च- भये वा यदि वा हर्षे सम्प्राप्ते यो विमर्शयेत् । कृत्यं न कुरुते वेगान्न स सन्तापमाप्नुयात् ।। तत् तावत् जानामि कस्य अयं शब्द:। धैर्य्यमालम्ब्य विमर्शयन् यावत् मन्दं मन्दं गच्छति तावत् दुन्दुभिम् अपश्यत् । स च तं परिज्ञाय समीपं गत्वा स्वयमेव कौतुकात् अताडयत् । भूयश्च हर्षात् अचिन्तयत्। ‘‘अहो! चिरादेतत् अस्माकं महत् भोजनमापतितम्, तत् नूनं प्रभूतमांसमेदोऽसृग्भि: परिपूरितं भविष्यति’’। तत: परुषचर्मावगुंठितं तत्कथमपि विदैरिय्या एकदेशे छिद्रं कृत्वा संहृष्टमना मध्ये प्रविष्ट: परं चर्मविदारणतोदंष्ट्रा भङ्ग: समजनि। अथ निराशीभूत: तत् दारुशेषमवलोक्य श्लोकमेनमपठत् । ‘‘पूर्वमेव मया ज्ञातम्’’ इति। ततो न शब्दमात्रात् भेतव्यम्’’। पिङ्गलक आह- ‘‘भो:! पश्य अयं मम सर्वोऽपि परिग्रहो भयव्याकुलितमना: पलायितुमिच्छति। तत् कथमहं धैर्य्यवष्टम्भं करोमि’’। सोऽब्रवीत् - ‘‘स्वामिन! नैषामेष दोषो यत: स्वामिसदृशा एव भवन्ति भृत्या:’’।‘व्रजामि’ शब्दस्य कोऽर्थ: ?