1 |
Zero vector is perpendicular to: |
Every vector
Unit vector only
Position vector only
Not any vector
|
2 |
|
Scalar
Free vector
Unit vector
Null vector
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3 |
Two vectors are equal if they: |
Pass through the same point
Are parallel to each other
Are parallel to each other and have same direction
Have equal magnitude and have same direction
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4 |
|
Scalar quantity
Reciprocal vector
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5 |
|
Free vector
Unit vector
Null vector
None of these
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6 |
Which of the following is a vector quantity ? |
Work
Temperature
Distance
Displacement
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7 |
A scalar quantity is one that possesses only : |
Magnitude
Direction
Both a and b
None of these
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8 |
Which of the following is not a vector quantity ? |
Weight
Mass
Force
Velocity
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9 |
|
sec x tan x
- sec<sup>2</sup>x
-sec x tan x
sec<sup>2</sup>x
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10 |
|
-cosec x cotx
cosec<sup>2</sup> x
-cosec<sup>2</sup>x
cosec x cotx
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11 |
|
sec x tan x
sec<sup>2</sup>x
-sec x tan x
-sec<sup>2</sup>x
|
12 |
|
Circle
Parabola
Hyperbola
Ellipse
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13 |
|
Ellipse
Parabola
Hyperbola
Circle
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14 |
In the case of rotation of axes which formula is true: |
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15 |
In the case of translation of axes which formula is true: |
x = X - h
x = X + h
x + X = h
None
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16 |
|
a
2b
b
2a
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17 |
|
x = 0
y = -a
y = 0
y = -a
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18 |
|
4a
2a
4b
2b
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19 |
The conic is an ellipse, if: |
e = 1
e > 1
0 < e < 1
e = 0
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20 |
The number e denotes the _________ of the conic: |
Directrix
Vertex
Focus
Eccentricity
|