How To Study Vector-3D For Class XII Math We are continuing our series on XII MATHS – Tips for Board examination preparation. After Calculus, let us take up Vector-3D, which is the next highest cluster of 17 marks. Out of that Vector chapter has weightage of 5-6 marks. There will be one 4-mark question and one or two 1-mark questions.

It’s a small chapter and your target time for first revision should be 4-5 hours appx for the two exercises (8.1 & 8.2) and the Misc exercise and also little bit of previous years’ questions from reference book.

Class XII CBSE Maths – Vector 3D

Some important questions from NCERT are as follows: 

Exercise Important Examples Important Questions
Ex 10.1 Definitions: zero vector, unit vector, collinear vector Question 5
Ex 10.2 Parallelogram law of vector addition  examples 7, 8, 11 Questions 8, 10, 11, 14, 17
Ex 10.3 Observations – page 442, examples 15, 18, 19, 20 Questions 5, 8, 9, 11, 12, 13, 16
Ex 10.4 Observations – page 449 to 451, Examples 25 Questions 2, 3, 4, 9, 12
Misc Ex 10 examples 26, 29, 30 Questions 6, 9, 11, 12, 14, 17

Tips:  

  1. Along with numerical, some theory concepts are also important in this chapter.
  2. The concepts will be used in 3D chapter also.

This first revision of this topic should be completed within 2-3 days.

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