Here we are providing revision notes for class 11 physics vectors. These revision notes covers all important points and formulas of the chapter. Tips and Tricks are also included. These are the most preferred revision notes. It is very important for a student to make proper revision notes of the subject. It is generally observed that students don’t make proper revision notes after completing a chapter.
These notes will help students to cover all important points and formulas of vectors in a very short time.
Revision Notes for Class 11 Physics Vectors
We hope that this revision notes on vectors for class 11th physics helps in your preparation and you score excellent marks in the exam.
FAQs (Frequently Asked Questions)
(1) What do you mean by a vector?
Physical quantities having both magnitude and direction are known as vectors.
(2) Give some examples of vectors.
Displacement, velocity, acceleration, force etc.
(3) “All the physical quantities having magnitude and direction can be vectors”. Comment.
No, In addition of these two characteristics, quantities must follow the laws of vector addition and satisfy the commutative property of vector addition so that it can be classified as a vector. e.g. angular displacement of a body
(4) Can the scalar product of the vectors be zero even when neither of them is a zero vector?
Yes, if the angle between the vectors is 90°.
(5) Can two vectors of different magnitudes be combined to give zero resultant?
No, two vectors of different magnitudes cannot be combined to give zero resultant.
(6) Is pressure a vector? Give reason.
No, pressure is always taken to be normal to the plane of the area on which it is acting. As this direction is unique, it does not need any specification. So pressure is not a vector.
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