No. of Questions: 30 Date: December 23, 2024
1.
Which of the following is a scalar quantity
2.
Read the assertion and reason carefully to mark the correct option out of the options given below:
Assertion : A physical quantity cannot be called as a vector if its magnitude is zero. Reason : A vector has both, magnitude and direction.
3.
Unit vector in the direction of $\vec{A} = \hat{i}+2\hat{j}+3\hat{k}$ is
4.
Read the assertion and reason carefully to mark the correct option out of the options given below:
Assertion : Two vectors are said to be like vectors if they have same direction but different magnitude. Reason : Vector quantities do not have specific direction.
5.
How many minimum number of coplanar vectors having different magnitudes can be added to give zero resultant
6.
If a vector get multiplied by a negative number then its direction
7.
Which of the following pairs is/are matched
mass - scalar weight - vector potential - vector flux - scalar
8.
Which of the following physics quantity is a scalar?
9.
The vector projection of a vector $3\hat{i}+4\hat{k}$ on y-axis is
12.
If $\vec{A}=\vec{B}$ then which of the following is NOT correct
13.
Which of the following physical quantites is neither Scalars nor Vectors
15.
How many minimum number of colinear vectors having different magnitudes can be added to give zero resultant
16.
Which of the following is a vector
17.
The physical quantity which is scalar, is
18.
If vector $0.8\hat{i}+0.6\hat{j}+c\hat{k}$ is a unit vector then the value of c is
19.
Position of a particle in a rectangular co-ordinate system is (3, 2, 5). Then its position vector will be
20.
Five equal forces of 10 N each are applied at one point and all are lying in one plane. If the angles between them are equal, the resultant force will be
21.
Read the following statements and choose the correct answer on the basis of codes given below
Assertion (A) : An electric current is scalar.Reason (R) : It does not obey the laws of vector addition.
22.
The angle made by the vector $A=\hat{i}+\hat{j}$ with x- axis is
23.
Which is a vector quantity in pressure and force
24.
Which of the following is/are not vector
25.
............is polar vector
26.
The unit vector along $\hat{i}+\hat{j}$ is
27.
The expression $ \left( \frac{1}{\surd{2}}\hat{i}+\frac{1}{\surd{2}}\hat{j} \right) $ is a
28.
Electric current is a
29.
A force of 5 N acts on a particle along a direction making an angle of 60° with vertical. Its vertical component be
30.
How many minimum number of non-coplanar vectors having different magnitudes can be added to give zero resultant
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