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2. Write two different vectors having same magnitude. 2. Write two different vectors having same magnitude. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,

1. Compute the magnitude of the following vectors: 1. Compute the magnitude of the following vectors: November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,

5. Answer the following as true or false. (i) a and – a are collinear. (ii) Two collinear vectors are always equal in magnitude. (iii) Two vectors having same magnitude are collinear. (iv) Two collinear vectors having the same magnitude are equal. Example 26 Write all the unit vectors in XY-plane. November 5, 2021 Category: [...]

4. In Fig 10.6 (a square), identify the following vectors. (i) Coinitial (ii) Equal (iii) Collinear but not equal 4. In Fig 10.6 (a square) identify the following vectors. (i) Coinitial (ii) Equal (iii) Collinear but not equal November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,

3. Classify the following as scalar and vector quantities. (i) time period (ii) distance (iii) force (iv) velocity (v) work done 3. Classify the following as scalar and vector quantities. (i) time period (ii) distance (iii) force (iv) velocity (v) work done November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT [...]

Classify the following measures as scalars and vectors. Classify the following measures as scalars and vectors. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,

1. Represent graphically a displacement of 40 km, 30° east of north. 1. Represent graphically a displacement of 40 km 30° east of north. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 ,

Example 30 If with reference to the right handed system of mutually perpendicular unit vectors i, j, and k,a = 3j – j, beta = 2i + j – 3k, then express beta in the form beta = beta1 + beta2 where beta1 a and beta2 is parallel to is perpendicular to a. a = [...]

Example 29 Three vectors a, b and c satisfy the condition a + b + c = 0 . Evaluate the quantity u = a . b + b . c + c . a, if I a I = 3, I b I = 4, and I c I = 2 and I c [...]

Example 28 Let a, b and c be three vectors such that I a I = 3, I b I = 4, I c I = 5 and each one of them being perpendicular to the sum of the other two, find I a + b + c I. b and c be three vectors [...]