This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Math 12 Chapter 7
Vectors
Test - 10
1.
A unit vector is a vector whose magnitude is ………..
a) Zero
b) unity
c) -1
d) None
2.
If P is the mid point of AB then k
1
: k
2
= ……………….
a) 1 : 2
b) 2 : 1
c) 1 : 1
d) ½ : 2
3.
Cos
2
α + Cos
2
β + Cos
2
r = …………..
a) 0
b) 1
c) - 1
d) ± 1
4.
^ ^
j . i = ……………..
a) 0
b) 1
c) ^
k
d) ^
-k
5.
^ ^
i x j = …………………
a) 0
b) 1
c) ^
k
d) ^
-k
6.
^ ^
i x j = …………………
a) ^
j
b) ^
- j
c) 1
d) 0
7.
U and V are orthogonal if θ = ………………
a) Л / 6
b) Л / 4
c) Л / 3
d) Л / 2
8.
U and V are parallel if U x V = ……………..
a) 0
b) - V x U
c) 1
d) - 1
This is more feedback!
This is the feedback!
feedback!
Back to Top
