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There are five trucks A, B, C, D and E having different colours, i.e., blue, green, orange, red and brown not necessarily in that order. They are running on five different highways, i.e., H1, H2, H3, H4 and H5, not in the same order. A is on H4 and is not blue or brown. B is green and is not running on H3 or H5. C is blue and is not on H1. D is running on H1 and is not organge or brown. E is not running on H5 or H2. On which highway is E running?

Select the most appropriate synonym of the given word. Fortify

एक अच्छे स्नेहक को निम्न में से कौन–सा गुण नहीं होता है–

Parents and teachers often reward their children for successfully completing learning tasks. This exercise stimulates which of the following motivation in a student? माता-पिता और शिक्षक अक्सर अपने बच्चों को अधिगम कार्यों को सफलतापूर्वक पूरा करने के लिए पुरस्कृत करते हैं। यह अभ्यास एक छात्र में निम्नलिखित में से किस प्रेरणा को उत्तेजित करता है? I. Intrinsic motivation I. आंतरिक प्रेरणा II. Extrinsic motivation II. बाहरी प्रेरणा

Which of the following rules is INCORRECT when entering measurement in the measurement book? माप पुस्तिका में माप दर्ज करते समय निम्नलिखित में सें कौन सा नियम गलत है?

Which of the following irrigation techniques, the evaporation and loss of water due to the wind is negligibly low? निम्नलिखित में से किस सिंचाई तकनीकी में हवा के कारण पानी का वाष्पीकरण और हानि नगण्य होता है?

संघ द्वारा उद्धृत किए जाने वाले किन्तु राज्यों द्वारा संगृहीत और विनियोजित किए जाने वाले शुल्क का उपबंध भारतीय संविधान के किस अनुच्छेद में किया गया है?

The electric field due to a dipole at a distance x is किसी द्विधुव के केन्द्र से x दूरी पर वैद्युत क्षेत्र होगा-

In 1993, the Government of India established an institution, the NHRC, to monitor the violations of human rights. What is the full for of NHRC?

Q: A mobile was dropped from a balcony if the mass of the mobile phone is 0.5kg and the mobile phone was dropped from a height of 100m, g=10m/s². So what is the potential energy of mobile phone?

A. 5000J

B. 5 J

C. 50 J

D. 500 J

Correct Answer: Option D - Potential energy = m×g×h Here, m = 0.5kg, h = 100m and g = 10 m/s² = 0.5 × 100 × 10 = 500 J

D. Potential energy = m×g×h Here, m = 0.5kg, h = 100m and g = 10 m/s² = 0.5 × 100 × 10 = 500 J

Explanations:

Potential energy = m×g×h Here, m = 0.5kg, h = 100m and g = 10 m/s² = 0.5 × 100 × 10 = 500 J

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