NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.1 are part of NCERT Solutions for Class 12 Maths. Here we have given NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.1.

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 12 |

Subject |
Maths |

Chapter |
Chapter 10 |

Chapter Name |
Vector Algebra |

Exercise |
Ex 10.1 |

Number of Questions Solved |
5 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 12 Maths Chapter 10 Vector Algebra Ex 10.1

**Ex 10.1 Class 12 Maths Question 1.**

Represent graphically a displacement of 40km, 30° east of north.

**Solution:**

A line segment of 2 cm is drawn on the right of OY making an angle of 30° with it. OP = 40 km,

scale 1cm = 20 km. Vector represents displacement of 40 km 30° east of north.

**Ex 10.1 Class 12 Maths Question 2.**

Classify the following measures as scalars and vectors.

(i) 10 kg

(ii) 2 metres north- west

(iii) 40°

(iv) 40 watt

(v) 10^{-19 }coulomb

(vi) 20 m/sec².

**Solution:**

(i) Mass-scalar

(ii) Directed distance-vector

(iii) Temperature-scalar

(iv) Rate of electricity-scalar

(v) Electric charge-vector

(vi) Acceleration-vector

**Ex 10.1 Class 12 Maths Question 3.**

Classify the following as scalar and vector quantities

(i) time period

(ii) distance

(iii) force

(iv) velocity

(v)work.

**Solution:**

Scalar Quantity: (i) time period (ii) distance (v) work.

Vector Quantity: (iii) force (iv) velocity

**Ex 10.1 Class 12 Maths Question 4.**

In a square, identify the following vectors

(i) Co-initial

(ii) Equal

(iii) collinear but not equal

**Solution:**

(i) Co initial vectors are

(ii) Equal Vectors are

(iii) Collinear but not equal vectors are

**Ex 10.1 Class 12 Maths Question 5.**

Answer the following as true or false:

(i) 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.

**Solution:**

(i) True

(ii) False

(iii) False

(iv) False.

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