Class name Subject Book title Chapter number Content Created at
Class XII Physics Physics Part-II 5 to mass, we say that the difference in the total mass of nuclei on the two sides get converted into energy or vice-versa. It is in these sense that...
Class XII Physics Physics Part-II 5 atomic nucleus of an element. The mass number A is the total number of protons and neutrons in the atomic nucleus; A = Z+N; Here N denotes the numb...
Class XI Psychology Introduction to Psychology 3 independence should occur. Eating Disorders : Adolescents’ obsession This could be marked by an image of the kind with self, living in fantasy worl...
Class XI Psychology Introduction to Psychology 3 is generally defined as someone who In addition to getting married, becoming a is responsible, mature, self-supporting, and parent canbeadifficulta...
Class XI Psychology Introduction to Psychology 3 with parenting, it provides Of course, the experience of old age also a unique opportunity for growth and depends on the socio-economic conditions,...
Class XII Physics Physics Part-II 5 energy per nucleon is nearly constant, about 8 MeV/nucleon. 8. Energies associated with nuclear processes are about a million times larger than che...
Class XI Psychology Introduction to Psychology 3 achievementefficiently after a few days. Memory tends to oriented behaviour prefer to keep busy and show greater decline, while wisdom may are bett...
Class XI Psychology Introduction to Psychology 3 important to give the elderly a sense of tend to marry men older than themselves. security and belonging, a feeling that people During such times, ...
Class XI Psychology Introduction to Psychology 3 maternal illnesses. • Motordevelopmentfollowscephalocaudalandproximodistaltrends.Earlymotordevelopment depends on both maturation and learning. • C...
Class XI Psychology Introduction to Psychology 3 influencing the formation of identity during adolescence? Support your answer with examples. 10. What are the challenges faced by individuals on en...
Class XII Accountancy Computerised Accounting System 1 faster and preparing of final accounts (c) Keeping data and information secured 14 (d) None of the above. Reprint 2026-27 Overview of Computerised ...
Class XI Psychology Introduction to Psychology 4 Sensory , A ttentional and P erceptual Processes Chapter Afterreadingthischapter,youwouldbeableto • understand the nature of sensory processes, • e...
Class XI Psychology Introduction to Psychology 4 attention. The you are sitting in. You will find so many thingsregistered information must also be sent to the around. Just to mention a few, you m...
Class XII Accountancy Computerised Accounting System 1 the situations where each coding method is best suited? 7. Define the term transaction and elaborate with the help of examples how the transaction ...
Class X Science Science 1 “Facts are not science — as the dictionary is not literature.” Martin H. Fischer CHAPTER 1 Chemical Reactions and Equations onsider the following s...
Class X Science Science 1 or sulphuric acid to this tube. (Fig. 1.2). ■ Add potassium CAUTION: Handle the acid with care. iodide solution ■ Do you observe anything happening...
Class X Science Science 1 products, and shows the direction of the reaction. Science Reprint 2026-27 1.1.1 Writing a Chemical Equation Is there any other shorter way for rep...
Class X Science Science 1 H4 2 (1.3) Let us examine the number of atoms of different elements on both sides of the arrow. Element Number of atoms in Number of atoms reactant...
Class X Science Science 1 we can put coefficient ‘4’ as 4 2 O and not H2O 4r (H 2) 4 Now the partly balanced equation becomes– (1.6) Fe + 4 H O 2 Fe O 3 4 + H 2 (partly bala...
Class X Science Science 1 tell us anything about the physical state of each reactant and product? No information has been given in this equation about their physical states....
Class XI Mathematics Mathematics 6 60 . To get the number of words starting withA, we fix the letterAat the extreme left position, we then rearrange the remaining 4 letters taken all...
Class X Science Science 1 (ii) Sodium hydroxide solution (in water) reacts with hydrochloric acid solution (in water) to produce sodium chloride solution and water. 1.2 TYPE...
Class X Science Science 1 some more examples of combination reactions. (i) Burning of coal C(s) + O (g) → CO (g) (1.15) 2 2 (ii) Formation of water from H (g) and O (g) 2 2 ...
Class X Science Science 1 a burner or spirit lamp as shown in Fig. 1.4. n Observe the colour of the crystals after heating. Figure 1.4 Haveyounoticedthatthegreencolourofthef...
Class X Science Science 1 + O (g2 (1.21) (Lead nitrate) (Lead oxide) (Nitrogen (Oxygen) dioxide) Let us perform some more decomposition reactions as given in Activities 1.7 ...