Class 11 Chemistry NCERT Solutions Chapter 2: Structure of Atom Question 1. (i) Calculate the number of electrons which will together weigh one gram. (ii) Calculate the mass and charge of one mole of electrons. Answer: (i) Mass of an electron = 9.1 × 10-28 g 9.1 × 10-28 g is the mass of = 1 electron […]
Class 11 Physics NCERT Solutions Chapter 13: Kinetic Theory Question 13. 1. Estimate the fraction of molecular volume to the actual volume occupied by oxygen gas at STP.’ Take the diameter of an oxygen molecule to be 3 A. Answer: Diameter of an oxygen molecule, d = 3 A = 3 x 10-10 m. Consider one
Class 11 Physics NCERT Solutions Chapter 2: Units and Measurements Question 2. 1. Fill in the blanks (a) The volume of a cube of side 1 cm is equal to…………m3. (b) The surface area of a solid cylinder of radius 2.0 cm and height 10.0 cm is equal to ……..(mm)2. (c) A vehicle moving
Class 11 Physics NCERT Solutions Chapter 1: Physical World Question 1. 1. Some of the most profound statements on the nature of science have come from Albert Einstein, one of the greatest scientists of all time. What do you think did Einstein mean when he said: “The most incomprehensible thing about the world is
Class 11 Maths NCERT Solutions Chapter 10: Straight Lines Ex – 10.1 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Question-6 Ans. Question-7 Ans. Question-8 Ans. Question-9 Ans. Question-10 Ans. Question-11 Ans. Question-12 Ans. Question-13 Ans. Question-14 Ans. Ex – 10.2 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Question-6
Class 11 Maths NCERT Solutions Chapter 9: Sequences & Series Ex – 9.1 Question 1: Write the first five terms of the sequence whose nth term is an = n (n + 2). Ans: an = n(n +2) Substituting n = 1, 2, 3, 4 and 5, we obtain a1 = 1 (1 + 2) = 3,
Class 11 Maths NCERT Solutions Chapter 8: Binomial Theorem Ex – 8.1 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Question-6 Ans. Question-7 Ans. Question-8 Ans. Question-9 Ans. Question-10 Ans. Question-11 Ans. Question-12 Ans. Question-13 Ans. Question-14 Ans. Ex – 8.2 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5
Class 11 Maths NCERT Solutions Chapter 7: Permutations & Combinations Ex – 7.1 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Question-6 Ans. Ex – 7.2 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Ex – 7.3 Question-1 Ans. Question-2 Ans. Question-3 Ans. Question-4 Ans. Question-5 Ans. Question-6
Class 11 Maths NCERT Solutions Chapter 6: Linear Inequalities Ex – 6.1 Question 1: Ans: Question 2: Ans: Question 3: Ans: Question 4: Ans: Question 5: Ans: Question 6: Ans: Question 7: Ans: Question 8: Ans: Question 9: Ans: Question 10: Ans: Question 11: Ans: Question 12: Ans: Question 13: Ans: Question 14: Ans:
Class 11 Maths NCERT Solutions Chapter 5: Complex Numbers Ex – 5.1 Question 1: Ans: Question 2: Ans: Question 3: Ans: Question 4: Ans: Question 5: Ans: Question 6: Ans: Question 7: Ans: Question 8: Ans: Question 9: Ans: Question 10: Ans: Question 11: Ans: Question 12: Ans: Question 13: Ans: Question 14: Ans:
