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EVidya Surface Areas and Volumes – Cone, Sphere, Hemisphere 1 Right Circular Cone What is it? A right circular cone is a solid shape generated by rotating a right-angled triangle around one of its perpendicular sides. It looks like an ice-cream cone or a birthday cap. Height (h): The straight distance from the vertex (top tip) … Read more
Section 5.1: Is This a Multiple Of? (Questions on Consecutive Numbers) Question: “Can I write every natural number as a sum of consecutive numbers?” Answer: No. Not every natural number can be written as a sum of consecutive natural numbers. The numbers that cannot be written as a sum of two or more consecutive natural … Read more
Question Set 1 (Page 3) 1. A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 10.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case? Answer: The work done … Read more
Page 1: The Big Questions Question 1: What are Panchayati Raj institutions? Answer: Panchayati Raj institutions are like a small government for villages. Just like India has a big government in Delhi, villages have their own local government called the Panchayat. This system helps people in villages solve their own problems and govern themselves. Question … Read more
१. एकपदेन उत्तरं लिखत Answer the following questions in one word (a) प्रश्नः: सुन्दरसुरभाषा कस्य वचनातीता? Question: The beautiful language of gods is beyond whose words? उत्तरम्: मम (वक्तुः/कवेः)। Answer: Mine (the speaker’s/poet’s). (b) प्रश्नः: संस्कृतभाषा कुत्र विजयते? Question: Where does the Sanskrit language triumph? उत्तरम्: धरायाम्। Answer: On the Earth. (c) प्रश्नः: संस्कृतभाषा कस्य … Read more
Page 1: Probe and ponder Why are winds stronger on some days than on others? Answer: Winds are caused by differences in air pressure. Air moves from a place with high pressure to a place with low pressure. When the difference in pressure between two places is very large, the air moves very fast, which … Read more
Page 1: Probe and ponder Why does it feel harder to pedal a bicycle when going uphill than on flat ground? Answer: It feels harder to pedal uphill because you are working against the force of gravity, which is trying to pull you and your bicycle back down the hill. On flat ground, you mainly … Read more
मेरी समझ से (क) नीचे दिए गए प्रश्नों का सटीक उत्तर कौन-सा है? उसके सामने तारा (★) बनाइए- प्रश्न (1) चेतक शत्रुओं की सेना पर किस प्रकार टूट पड़ता था? चेतक बादल की तरह शत्रु की सेना पर वज्रपात बनकर टूट पड़ता था। (★) चेतक शत्रु की सेना को चारों ओर से घेरकर उस पर … Read more
मेरी समझ से (क)निम्नलिखित प्रश्नों के उपयुक्त उत्तर के सम्मुख तारा (★)बनाइए। कुछ प्रश्नों के एक से अधिक उत्तर भी हो सकते हैं। प्रश्न (1) ज़मींदार को झोंपड़ी हटाने की आवश्यकता क्यों लगी? झोंपड़ी जर्जर हो चुकी थी झोंपड़ी रास्ते में बाधा थी वह अहाते का विस्तार करना चाहता था (★) वृद्धा से उसका कोई … Read more
मेरी समझ से प्रश्न (1) महाराज ने दीवान को ही उनका उत्तराधिकारी चुनने का कार्य उनके किस गुण के कारण सौंपा? सादगी बल उदारता नीतिकुशलता उत्तर:महाराज ने दीवान को ही उनका उत्तराधिकारी चुनने का कार्य उनके नीतिकुशलता (काम में होशियार) गुण के कारण सौंपा । प्रश्न (2) दीवान साहब द्वारा नौकरी छोड़ने के निश्चय का … Read more