IN June 27, at AM. Unknown June 30, at PM. IN June 30, at PM. Unknown July 3, at PM. Unknown July 12, at AM. Unknown July 17, at PM. Unknown July 31, at PM. R August 7, at AM. Unknown August 17, at PM. R August 21, at PM. Kannan August 23, at AM. Unknown August 31, at PM.
IN September 1, at PM. R September 4, at PM. Danish khan October 19, at PM. Unknown March 9, at PM. Anonymous December 18, at AM. Unknown December 18, at PM.
Raju December 23, at PM. Unknown January 8, at PM. Unknown January 23, at PM. Always February 21, at PM. Unknown March 15, at AM. Unknown March 15, at PM. Unknown March 17, at AM. Unknown March 20, at PM. Anonymous March 20, at PM. Unknown February 4, at PM. Canzi March 21, at AM. Tyler March 21, at PM. Nobody March 26, at AM. Unknown March 21, at PM. Amrita Shaji March 21, at PM. Raju March 29, at PM.
Unknown April 1, at PM. Salma Shajeena April 22, at PM. Unknown May 29, at AM. Unknown August 24, at PM. Unknown October 28, at PM. Shabeer February 4, at PM. Anoop Sabu March 16, at AM. Unknown March 17, at PM. Unknown March 20, at AM. Anonymous March 23, at AM. Anandhu Gopan April 17, at PM. Unknown June 28, at PM. Unknown July 7, at AM. Unknown July 11, at PM. Unknown July 19, at AM. Unknown August 1, at PM. Unknown August 2, at AM. Unknown August 6, at PM.
Gopi September 20, at PM. Unknown September 27, at AM. Kevin Horgan October 8, at PM. S November 5, at PM. Unknown December 15, at AM. Manu December 16, at PM. Unknown January 6, at AM. Unknown February 7, at PM. Unknown February 8, at AM. Aaa February 21, at PM. Aleena Joy February 18, at AM. Aaa February 19, at AM. Unknown March 2, at PM. Nandhu March 7, at PM.
Find all the angles of the quadrilateral. To find: Angles of a quadrilateral. Therefore, the angles will be 3x, 5x, 9x, and 13x respectively. As a result, the angles can be calculated as. If the diagonals of a parallelogram are equal, then show that it is a rectangle. Given: Diagonals of the parallelogram are the same. To prove: It is a rectangle.
Consider ABCD be the given parallelogram. Now we need to show that ABCD is a rectangle, by proving that one of its interior angles is. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
Given: The diagonals of a quadrilateral bisect at right angles. To prove: It is a rhombus. Similarly, it can be proved that. From Equations 1 and 2 ,. Show that the diagonals of a square are equal and bisect each other at right angles.
Given: A square is given. Consider ABCD be a square. We must first show that the diagonals of a square are equal and bisect each other at right angles,. Hence, the diagonals of a square are equal in length. As a result, the diagonals of a square are bisected. Because we already established that diagonals intersect each other,. However, Linear pair. As a result, the diagonals of a square are at right angles to each other.
Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square. To find: It is a square. The diagonals of ABCD are equal and bisect each other at right angles, which is a given. By CPCT. However, for lines AB and CD, they are alternate interior angles, and alternate interior angles are equal only when the two lines are parallel.
From 1 and 2 , we obtain. ABCD is a parallelogram. Therefore, all the sides of quadrilateral ABCD are equal to each other. A right angle is one of the quadrilateral ABCD's inner angles. Hence , ABCD is a square. Show that. From Equations 1 , 2 , and 3 , we obtain.
As a result, ABCD is a rhombus. ABCD is a rhombus. Given: ABCD is a rhombus. To help students with the questions, Vedantu App now allows free download of Science chapters. It would help you access the chapters whenever you want to practice. Make sure to read, practice, and revise these solutions before your final exams. These solutions will help students during their exam preparations and in building strong foundations for the subject.
Since this is the first chapter that enters Physics, it is important that interest is developed in the students as they read it. The topics that are important in this chapter include concepts and definitions of reflection, refraction and behaviour of light against spherical mirrors. Refraction of light is explained in detail, and power concepts with relation to the power of lens are also included in this chapter.
The topic Reflection of Light Class 10 refers to light waves bouncing off the surface of objects that do not have the capability of absorbing energy produced by radiation. A surface of a pool, for example, will display clarity of surrounding objects when still. Whereas all the rays would be scattered once a rock is thrown inside it is preventing systematic reflection of light.
Refraction of light Class 10, on the other hand, refers to the bending of light waves when it travels from a faster to a slower medium. Images formed by lenses and our eyes exist due to this process. Another important part of this chapter is the numerical problems.
About 7 marks are set aside for this chapter, so the student must spend adequate time on strengthening the concepts. NCERT Solutions for Class 10 Chapter 10 Science have been created and reviewed by some of the most experienced and knowledgeable faculties, so students need not worry about the credibility of the solutions. Students are required to focus on studying this chapter keeping in mind the biology and physics side of Science.
This chapter is very interesting as it gives a clear insight into some of the most common things in our everyday life-sight. In Chapter 11 Science Class 10 introduces the terms like the least distance of distinct vision and cataract. The students will learn the defects of vision, namely, myopia, hypermetropia, and presbyopia, and their correction. These three defects are explained with the help of well-labelled diagrams. The chapter educates students about the natural phenomena of rainbow formation, atmospheric refraction, the twinkling of stars, and more.
This chapter deals with concepts like function and structure of the human eye and various problems and defects in eyesight, and how they are commonly corrected. It also delves into concepts of light refraction through a prism and light dispersion into its constituent colours.
The chapter focuses on how light refracts in the atmosphere, how it scatters and other natural phenomena that occur along with it. It goes into depth about the Tyndall effect and also answers some of the most intriguing mysteries of nature like the reason for the colour of sky at various times of the day. The free solutions offered contain many elements that make it very easy for students to understand some of the most complex concepts.
There are many neatly drawn ray diagrams that will come of great use while writing the examination. There are also a few numerical problems with detailed explanations of their solutions which will ensure that the students can solve any type of question in the examination. There are also few questions based on reasoning, on which our experts have done thorough research before writing the answers. This will not only make it easy for the student to understand but will also create a good impression in the mind of the examiner.
By going through these solutions, students can effectively prepare for their board and competitive exams. This chapter is one of the most important ones in the entire Science syllabus. Chapter 12 of the Science section deals with important topics like basic definitions of electric current, circuit, potential and potential difference.
Other topics of importance are resistance, factors affecting resistance, effects of resistance, particularly the heating effect and also electric power.
Emphasis is made on how to draw a circuit diagram and all the components of it. This is very important and will definitely play a role in all future chapters in the upcoming years. Students are also taught how to solve numerical problems from this chapter. Questions on series and parallel combinations of resistors are commonly asked.
The relation between power, voltage and resistance is also to be studied thoroughly. Students must make sure that they spend enough time on these topics before moving on to the next chapter, as this chapter holds a high weightage of marks. Class 10 Science Chapter 12 Electricity is an important chapter for all students.
It is a highly detailed chapter with several aspects of electricity discussed in it. The simple language and diagrammatic representation will help students grasp even the trickiest concepts in electricity and ace them in the examination. Many expert teachers in the field have helped make this unit as easy as possible for the student.
This solution set is a simple, concise, yet detailed representation of Class 10 Science Chapter Electricity. This chapter, in continuation with the previous one, has plenty to learn and understand. It is vital for the student to pick up these concepts, not only for the examination but also for future studies in classes 11 and 12 as well.
In this chapter, the students will learn about the magnetic effects of electric current. Diagrams on magnetic field lines are very important and are represented in a concise format in the NCERT solutions for Class 10 Science.
Other topics include an introduction to the electric motor and its functioning, EMI, working of an electric generator, and drawing household circuits. Students also need to be well-versed with the main differences between AC and DC generators.
While this topic is interesting, there are areas that require extra attention so that there is no confusion. The pictorial representation helps in quick grasping and memory that would come of help in the examination.
There are many numerical-based problems that are broken down for better understanding. All answers and explanations are given in a sequential point-wise manner which makes sure that there is no ambiguity.
This material is also extremely useful for last-minute revision and brushing up concepts. Vedantu is the No. Chapter 14, Sources of energy, is a topic that requires one to have good theoretical knowledge. This chapter has plenty of information that is of great use with regard to energy and its utilization in various forms.
This chapter can be very scoring if studied thoroughly and understood well. It also brings forward the recent developments in technology, which, as students, one must be aware of. Some of the important topics covered in this chapter include the various sources of energy and how we can consider something to be a good source of energy. It touches upon the conventional sources and their alternatives- something that is becoming a huge need in the future of our development.
Another very important topic that is discussed is the environmental impact of using these sources of energy and the reality check on how long it will last with the current usage. Since this entire chapter is mostly theoretical, there are high chances of securing the entire marks that it carries.
Students must make use of this and study these topics and understand them clearly. All answers are explained in simple yet essential words, which will fetch complete marks.
Search This Blog. Maths Previous Year Question Papers. Click Here. Physics Plus One Notes. Chemistry Plus One Notes. Mathematics Plus One Notes. Zoology Plus One Notes. Botany Plus One Notes.
Computer Science Notes. Computer Science Plus One Notes. Computer Application Notes. Computer Application Plus One Notes. Commerce Notes. Commerce Plus One Notes. Humanities Notes. Humanities Plus One Notes.
0コメント