Chapter 9 त्रिकोणमिति का अनुप्रयोग Q1. झील की सतह से x m ऊँचे किसी बादल का उन्नयन कोण a है तथा झील में इसके प्रतिबिम्ब का अवनमन कोण 45° है। बादल की ऊँचाई क्या होगी? (a) 2h (b) h tan a (c) h tan (45° + a) (d) इनमें से कोई नहीं उत्तर: (c) h … Read more
What is programming Programming refers to the process of creating computer programs or software by writing instructions that a computer can understand and execute. It involves using programming languages to write a set of logical and sequential instructions, known as code, to perform specific tasks or solve problems. Programming allows developers to define the behavior … Read more
What is Machine learning Machine learning is a subset of artificial intelligence (AI) that focuses on the development of algorithms and models that enable computer systems to learn and make predictions or decisions without explicit programming. It is based on the idea that machines can learn from data, identify patterns, and improve their performance over … Read more
What is Human intelligence Human intelligence refers to the cognitive abilities and mental faculties that are characteristic of human beings. It encompasses a wide range of capabilities that enable humans to learn, understand, reason, solve problems, and adapt to new situations. Human intelligence involves various aspects, including: Reasoning and Logic: Humans have the ability to … Read more
What is Artificial Intelligence (AI) AI, {Artificial Intelligence}, refers to the development of computer systems that can perform tasks that typically require human intelligence. It involves creating machines that are capable of learning, reasoning, problem-solving, and making decisions. AI systems are designed to mimic human cognitive abilities and exhibit traits like perception, understanding language, recognizing … Read more
Chapter – 8 त्रिकोणमिति का परिचय Q1. यदि cos A = x तो sinA का मान x के पदों में क्या होगा? (a) 1 – x2 (b) 1−x2−−−−−√ (c) 1 + x2 (d) 1+x2−−−−−√ उत्तर: (b) 1−x2−−−−−√ Q2. यदि √3 secθ = 2 हो, तो θ का मान होगा (a) 0° (b) 30° (c) 45° … Read more
Chapter – 7 निर्देशांक ज्यामिति Q1. विदुओं (a, b) और (-a, -b) के बीच की दूरी है (a) a2+b2−−−−−−√ (b) 2a2+b2−−−−−−√ (c) 2(a2+b2)−−−−−−−−√ (d) 1 उत्तर: (b) 2a2+b2−−−−−−√ Q2. यदि बिंदुओं (a, b), (b, c) और (c, a) से बने त्रिभुज का केंद्रक मूलबिंदु हो, तो a3 + b3 + c3 बराबर है (a) 0 … Read more
Chapter – 6 त्रिभुज Q1. ΔABC में भुजाओं AB और AC पर क्रमशः बिन्दु D और E इस प्रकार है कि DE || BC तथा AD : DB = 3 : 1. यदि EA = 3.3 तो AC =? (a) 2(b) 4(c) 4.4(d) इनमें से कोई नहींउत्तर:(b) 4 Q2. त्रिभुजों ABC तथा DEF में, ∠A … Read more
Chapter – 5 समांतर श्रेढ़ियाँ Q1. प्रथम 1000 पन पूर्णाकों का योग होगा (a) 500500 (b) 400400 (c) 100100 (d) 300300 उत्तर: (a) 500500 Q2. 1, 4, 7, 10, … के 18वें पद का मान होगा (a) 50 (b) 51 (c) 52 (d) 53 उत्तर: (c) 52 Q3. यदि A.P. का सामान्य पद 3n + … Read more
What is intenet Protocol ? Introduction to Internet Protocol The internet has become an integral part of our lives, connecting people and devices across the globe. At the heart of this vast network lies the Internet Protocol (IP), a fundamental technology that enables the transfer of data between devices. In this article, we will delve … Read more
