**Vectors NEET Questions**. We covered all the Scalar and Vectors pyq NEET Questions with solutions pdf in Hindi in this post for free so that you can practice well for the exam.

**Select your language and change this post to your favorite language.**

*Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.*

These types of competitive MCQs appear in the exams like CSIR, NET, SET, FRO, JL, DL, APPSC, TSPSC Exams, etc.

We provided vectors physics class 11 mcq for neet mcqtube pdf free download on our website for your convenience.

You will get their respective links in the related posts section provided below.

**Related Posts:**

**Free Mock Test for SSC MTS****Space Technology MCQ****Defence Technology MCQ****Vector questions class 11 NEET physics with solutions PDF**

**Questions**hide

## Vectors NEET Questions for Students

## The angle made by 3i+23j with Z-axis

1.90⁰

2.45°

3.0°

4.60°

Option 1 - 90⁰

## The magnitude of the cross product of two vectors is equal to the magnitude of the dot product of the same two vectors. Then the angle between them is

1.0°

2. 45°

3.60°

4.90°

Option 2 - 45°

## The vector parallel to A-8i+15j and having a magnitude of 51 units are

1. 32i+48j

2. 32i+24j

3. 24i+45j

4. 16i+30j

Option 3 - 24i+45j

## The vector parallel to 2i+3j-8k is

1. 4i+3j-16k

2. 6i+9j-8k

3. 8i+8j-24k

4. 6i+9j-24k

Option 4 - 6i+9j-24k

## If A=4i-j, B=2i+j then the unit vector perpendicular to A, B is

1. i

2. j

3. k

4. i x k

Option 3 - k

## The vectors A and B are along X, and Y-axes respectively. The vector AxB is along

1. X-axis

2. Y-axis

3. Z-axis

4. X or Y-axis

Option 3 - Z-axis

## A = -2i+3j-4k, B=3i+4j+5k. Then AXB =

1. 5i-j+k

2. 6i-12j-20k

3. -i+7j-9k

4. 31i-2j-17k

Option 4 - 31i-2j-17k

## A force F = 10i+4j-2k acts on a body from a point at a distance of S = 21-4j-2k. The torque acting on the body is

1. 12i+16j+4k

2. 16i-16j+48k

3. 12i+16j-4k

4. 12i-16j+4k

Option 2 - 16i-16j+48k

## The vector having magnitude 10 units and opposite to 6i-8j is

1.6i-8j

2.-6i+8j

3.-8i+6j

4.-8i-6j

Option 2 - -6i+8j

## If the sum of the vectors of two forces is perpendicular to the difference of the vectors, that forces are

1. equal to one another

2. equal in magnitude

3. magnitude is not equal

4. not assumable

Option 4 - not assumable

## A body has linear displacement 3i+4j+2k and linear momentum 2i-3j+2k. Then its angular momentum is

1. 5i+j+4k

2. i-7j+4k

3. 14i-2j-17k

4. 6i-12j+4k

Option 3 - 14i-2j-17k

## The vector perpendicular to F=4i-3j.

1.4i+3j

2.61

3.7k

4.3i-4j

Option 3 - 7k

## The work done by two forces 2i+2j+5k, 3i-5j-4k on a body to displace it by a distance of 18i+17j-7k is

1.63 units

2.38 units

3.32 units

4. 28 units

Option 3 - 32 units

## The work done by a force is W=F.S but if W=0

1. F and S are in the same direction

2. F and S are perpendicular to each other

3. F and S are perpendicular to each other in opposite directions

4. The angle between F and S is not 90°

Option 2 - F and S are perpendicular to each other

## Find the area of the triangle having adjacent sides A-3i-4j, B=5i-7j

1. 19.5

2. 0.5

3. 43.5

4. 84.5

Option 2 - 0.5

## Three forces a(i-j+k), (2i-3j+4k), and (8i-7j+6k) act on a body and are kept in equilibrium. Then the value of 'a' is

1.-8

2.-10

3.12

4.7

Option 2 - -10

## Which of the following is a scalar?

(A) Energy of thermal neutron

(B) Electric field

(C) Velocity of air

(D) Torque

Option a - Energy of thermal neutron

## The SI units of specific heat are

(A) Joule

(B) Joule/kg-K

(C) Joule/K

(D) Joule/mole-K

Option b - Joule/kg-K

## The wavelength of light is 60 microns. Its value in meters is

(A) 0.000006 m

(B) 0.06 m

(C) 0.00006 m

(D) 0.0006 m

Option c - 0.00006 m

## If the error encountered while performing the experiment is due to fluctuation of voltage then, the most possible error will be

(A) system error.

(B) personal error.

(C) random error.

(D) instrumental error.

Option c - random error.

## Assertion: Out of the four measurements x = 0.5 m, x = 0.50 m, x = 0.500 m, and x = 0.5000 m, the last one is more accurate. Reason: In every measurement, only the last significant digit is not accurately known.

(A) Assertion is True, Reason is True; Reason is a correct explanation for Assertion.

(B) Assertion is True, Reason is True; Reason is not a correct explanation for Assertion.

(C) The assertion is True, Reason is False.

(D) Assertion is False, Reason is True.

Option a - Assertion is True, Reason is True; Reason is a correct explanation for Assertion.

## The velocity of a racing car recorded by four sensors is 150 m/s, 151 m/s, 152 m/s, and 149 m/s respectively. The average absolute error is

(A) 0.2 m/s

(B) 1 m/s

(C) 0.5 m/s

(D) 2 m/s

Option b - 1 m/s

## The length and breadth of a metal sheet are 4.28 m and 2.06 m respectively. The area of the sheet up to correct significant figures is

(A) 8.83 m²

(B) 8.82 m²

(C) 8.816 m²

(D) 8.817 m²

Option b - 8.82 m²

## Joule/second is equal to

(A) watt

(B) pascal

(C) tesla

(D) farad

Option a - watt

## The length of a simple pendulum is about 90 cm known to have an accuracy of 2 mm. A clock of resolution 0.2 s is used to measure time for 200 oscillations. If the period of oscillation of a simple pendulum is 2 s, then what is the accuracy in the determined value of g?

(A) 20%

(B) 50 %

(C) 10%

(D) 30%

Option a - 20%

## Assertion: Nuclear radii can be measured by the Fermi unit. Reason: Micron and angstrom are not considered the correct unit to measure nuclear radii as these are larger units.

(A) The assertion is True, Reason is True; Reason is a correct explanation for Assertion.

(B) The assertion is True, and Reason is True; Reason is not a correct explanation for Assertion.

(C) The assertion is True, Reason is False.

(D) The assertion is False, Reason is True.

Option a - The assertion is True, Reason is True; Reason is a correct explanation for Assertion.

## The dimensional representation of latent heat is identical to that of

(A) angular momentum.

(B) gravitational potential.

(C) electric potential.

(D) internal energy.

Option b - gravitational potential.

## If l = 4.221 cm, b = 2.1 cm, then l + b is equal to

(A) 6.31 cm

(B) 6 cm

(C) 6.62 cm

(D) 6.3 cm

Option d - 6.3 cm

## What will be the magnitude of two forces if their magnitudes are in the ratio 1: 2, the angle between their direction is 30° and the magnitude of their resultant force is 30 N?

(A) 10.31 N, 20.62 N

(B) 9.63 N, 18.64 N

(C) 6.22 N, 12.44 N

(D) 1.26 N, 3.13 N

Option a - 10.31 N, 20.62 N

## A boat can travel 8km and comes back in still water. Find the time taken 2 hrs for the same distance in water having a velocity of 4km/hr.

1. 2 hr 20 min

2. 2hr 40 min

3. 1 hr 20 min

4. 3hr 30 min

Option 2 - 2hr 40 min

## A man walking with a certain velocity in rain feels that the relative velocity of rain is double his velocity. What should be the angle of his umbrella?

1.30⁰

2.45°

3.60°

4.90°

Option 1 - 30⁰

## Which of the following is a scalar?

1. Electric current

3. Acceleration

4. Linear momentum

Option 1 - Electric current

## Which of the following is a Vector?

2. Electric current

3. The intensity of the electric field

4. Electric potential

Option 3 - The intensity of the electric field

## The A+B vector is in one plane and 'C' is in another plane. Then the plane of A+B+C is

1. in A+B plane

2. in B+C plane

3. not zero

4. may be zero

Option 3 - not zero

## P = ai+aj+zk, Qai-2j-k are perpendicular to each other. Then, the positive value of 'a' is

1.3

2.2

3.1

4.0

Option 1 - 3

## The general representation of a physical quantity is

1. Scalar

2. Tensor

3. Vector

4. Not defined

Option 2 - Tensor

## Sum of two vectors

1. Scalar

2. Vector

3. Tensor

4. None of these

Option 2 - Vector

## The product of Sealar & Vector is

1. Scalar

2. Vector

3. Tensor

4. None of these

Option 2 - Vector

## The cross-product of two vectors is

1. Scalar

2. Vector

3. Tensor

4. None of these

Option 2 - Vector

## Which of the following is a scalar?

1. velocity

2. acceleration

3. length

4. force

Option 3 - length

## Which of the following is a vector quantity?

1. Distance

2. Mass

3. Work

4. Force

Option 4 - Force

## The product of two scalars is

1. Vector

2. Tensor

3. Scalar

4. None of these

Option 3 - Scalar

## The work done in moving an object along a vector r = 3i + 2j- 5k, if the applied force is F = 2i-j-k is

1. 2

2. 5

3. 9

4.11

Option 3 - 9

## An equation for the plane perpendicular to the vector A = 2i + 3j + 6k and passing through the terminal point of the vector B = i + 5j + 3k is

1. 2x + 3y + 6z = 35

2. 3y + 2z = 2

3. x-2y-5z = 6

4. None

Option 1 - 2x + 3y + 6z = 35

## A particle moves from position r₁ = 3i + 2j 6k to position r₂ = 14i + 13j + 9k under the action of force F = (4i+j+ 3k). The work done by the force is

1. 50 units

2. 75 units

3. 100 units

4. 200 units

Option 3 - 100 units

## At what value of 'a' so that A = 2i + aj + k and B = 4i - 2j - 2k are perpendicular

1. 1

2. 2

3. 3

4. 4

Option 3 - 3

## Two forces acting in opposite directions have a resultant of 10 N. If they act at right angles to each other, the result is 50 N. Then the magnitudes of forces are

1. 20 N, 30 N

2. 40 N, 30 N

3. 25 N, 40 N

4. 50 N, 60 N

Option 2 - 40 N, 30 N

## Two vectors A and B are such that IA-BI = ICI and A - B = C. The angle between them is

1. 0°

2. 30°

3. 45°

4. None

Option 1 - 0°

## Two vectors A and B are such that IAI = IA-BI. The angle between them is IBI=

1. 0°

2. 60°

3. 90⁰

4. 120°

Option 2 - 60°

## The resultant of two forces of magnitudes 5 N and 10 N cannot be

1. 4 N

2. 6 N

3. 9 N

4. 13 N

Option 1 - 4 N

## Two non-zero vectors A and B are such that IA+ BI= IA-BI. The angle between them is

1. 0°

2. 90°

3. 120°

4. None

Option 2 - 90°

## If F = 4i + 10j and F=5i - 4j then rxF=

1. - 66k

2. 66k

3. 77k

4. None

Option 2 - 66k

We covered all the vectors neet questions above in this post for free so that you can practice well for the exam.

Check out the latest MCQ content by visiting our mcqtube website homepage.

**Also, check out:**