DOT PRODUCT
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
VANI RAVEENDRANATH
Used 8+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the vectors 2i^ - 3j^ +3k^ and 3i^+xj^+2k^ are orthogonal (at right angles) then x=
2
4
-2
1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The work done in moving an object along a vector d = 5i+4j-6k and F = 3i+2j-4k is
47
45
50
37
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
u is a vector of magnitude 2 and v is a vector of magnitude 3, and the angle between them is 450. What is u . v
6.2
4.2
5.2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
a = 3i -j , b= 2i+j+4k. What is a . b ?
3
-2
5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Scalar product of two perpendicular vectors is
0
1
2
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