NCERT Solutions for Chapter 5 Magnetism and Matter
Question 1. Answer the following questions regarding earth’s magnetism : (a) A vector needs three quantities for its specification. Name the three independent quantities conventionally …
NCERT Solutions for Chapter 4 Moving Charges and Magnetism
Question 1. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the …
NCERT Solutions for Chapter 3 Current Electricity
Question 1. The storage battery of a car has an e.m.f. of 12 V. If the internal resistance of the battery is 0.4Ω, what is …
NCERT Solutions for Chapter 2 Electrostatic Potential and Capacitance
Question 1. Two charges 5 x 10-8 C and -3 x 10-8 C are located 16 cm apart. At what point(s) on the line joining the two …
NCERT Solutions for Chapter 1 Electric Charges and Fields
Question 1. What is the force between two small charged spheres having charges of 2 x 10-7 C and 3 x 10-7 C placed 30 cm apart …
Gender Exercise
EXERCISE A Change the gender of the nouns in the following sentence. Make other changes if necessary. One has been done for you: The lioness …
Gender in Grammar
What Is Gender in Grammar? Gender is a category of noun. A noun can have a masculine gender, a feminine gender, or a neuter gender. Easy Examples of Gender …
Verb Notes
Verb – A verb is an Action or Position of a Subject. Ex.:- Mohan Plays Cricket. If Verb is divided on the basis of …
NCERT SOLUTIONS FOR CLASS 11 MATHS CHAPTER 7 / PERMUTATIONS AND COMBINATIONS EX 7.4 /
Question 1. lf nC8 = nC2, find nC2. Solution. We have, nC8 = nC2 Question 2. Determine n if (i) 2nC3: nC3 =12 : 1 (ii) 2nC3: nC3= 11 : 1 Solution. Question 3. How many chords …
NCERT SOLUTIONS FOR CLASS 11 MATHS CHAPTER 7 / PERMUTATIONS AND COMBINATIONS EX 7.3 /
Question 1. How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated? Solution. Total digits are …
