PHY 122

Applied Physics

Chapter 2 : Scalars and Vectors

DAE Common Technologies | First Year

MCQs

Chapter:2 (Scalars and Vectors)

Question 1:

درج ذیل میں سے کوسی کوانٹیٹی سکیلر ہے؟

Which of the following is a scalar quantity?

Energy Velocity Force Torque

Question 2:

Which one is the vector quantity?

Density Length Force Work

Question 3:

A vector which has magnitude (one) is called

Null vector Position vector Unit vector Negative vector

Question 4:

The angle between two rectangular components of a vector is

\(30^0\) \(60^0\) \(90^0\) \(180^0\)

Question 5:

A force of 6N is acting along x–axis. Its y–component is

6N Zero 12N 3N

Question 6:

Cos \(60^0\) has the value:

1 0.866 0.5 0.707

Question 7:

If a vector A makes an angle θ with x–axis, its x-component is given by

A Sinθ A tanθ A Cosθ A Cotθ

Question 8:

If two vectors make an angle of \(90^0\) with each other, their scalar product is:

0 1 -1 2

Question 9:

The scalar product of two vectors A and B at an angle θ with each other is

AB AB Sinθ AB Cosθ AB tanθ

Question 10:

If vectors A and B are parallel to each other then

A. B = 0 A . B = 1 A . B = AB A . B = - AB

Question 11:

The cross product of vector A with itself (A × A) is

A 1 Zero \(A^2\)

Question 12:

In a right angle triangle, if one of its angle is /(30^0/) then the other will have value

\(0^0\) \(30^0\) \(60^0\) \(90^0\)

Question 13:

Which of these statements is correct?

A . B = – B. A A × B = B × A A . B ≠ B . A Null vector

Question 14:

Time is example of

Vector Scalar Negative of a vector Null vector

NOTE
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INSTRUCTOR
MUHAMMAD BIN JAMEEL
BSC ENGG. CIVIL

PBTE DAE PHY-122 Applied Physics | Chapter 2 : Scalars and Vectors | MCQs