NCERT Solutions for Class 12 Chemistry Chapter 6 contains concept wise details of the chapter. The solutions help the students prepare well for the examination. The diagrammatic representations and step wise solutions make it easy for the students to understand. Also the answers are accurate and are provided by the subject matter experts. NCERT Solutions are … Read more
NCERT Solutions for Class 12 Chemistry Chapter 5 are the practice guide for all the students. It contains solved questions provided by the subject matter experts. The solutions are accurate and the answers can be written in the exams. Class 12 Chemistry Chapter 5 Surface Chemistry is an important chapter and explains the types of … Read more
Class 12 Chemistry chapter 4 Chemical Kinetics is an important chapter and is often asked in the examination. Chemical kinetics helps to understand the chemical reactions. This chapter explains all about the rate of reaction and the factors determining the rate of reaction. NCERT IN-TEXT QUESTIONS Question 1.For a reaction R → P, the concentration … Read more
The production of electricity from chemical reactions and the use of electrical energy to bring non-spontaneous chemical transformations is known as electrochemistry. Both the theory and the practical portions are very important in this chapter. Class 12 Chemistry chapter 3 Electrochemistry explains different types of cells and the differences between the two. Important concepts such … Read more
Every minute detail is explained in such a way that the students find it easy to understand. The students from different boards such as UP board, MP board, CBSE, Gujarat board can refer to the NCERT Solutions for Class 12 Chemistry Chapter 2 to score well in the exams. Class 12 Chemistry Chapter 2 Solutions are … Read more
NCERT Solutions for Class 12 Physics Chapter 14 Electronics Devices. Question 1.In an n-type silicon, which of the following statement is true :(a) Electrons are majority carriers and trivalent atoms are the dopants.(b) Electrons are minority carriers and pentavalent atoms are the dopants.(c) Holes are minority carriers and pentavalent atoms are the doplants.(d) Holes are … Read more
NCERT Solutions for Class 12 Physics Chapter 13 Nuclei. Question 1.(a) Two stable isotopes of lithium 63Li and 73Li have respective abundance of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u respectively. Find the atomic weight of lithium.(b) Boron has two stable isotopes 105Li and 115Li .Their respective masses are 10.01294 u and 11.00931 u and the atomic weight … Read more
NCERT Solutions for Class 12 Physics Chapter 12 Atoms. Question 1.Choose the correct alternative from clues given at end of each statement: The size of the atom in Thomson’s model is the atomic size in Rutherford’s model.(much greater than/no different from/much less than.) In the ground state of…………… electrons are in stable equilibrium, while in … Read more
NCERT Solutions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter. Question 1.Find the(a) maximum frequency, and(b) minimum wavelength of X-rays produced by 30 kV electrons.Answer:Question 2.The work function of caesium metal is 2.14 eV. When light of frequency 6 x 1014 Hz is incident on the metal surface, photo emission of electrons … Read more
NCERT Solutions for Class 12 Physics Chapter 10 Wave Optics. Question 1.Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of(a) reflected, and(b) refracted light ? Refractive index of water is 1.33. (C.B.S.E. Sample Paper 1991)Answer:(a) For reflected light wavelength is unchanged i. e.X = … Read more
