## NEET MCQs on Physical World and Measurement

Question 1 |

Which pair of the following forces will never give resultant force of 2

*N*1 N and 4 N | |

1 N and 3 N | |

1 N and 1 N | |

2 N and 2 N |

Question 2 |

Surface area is

**Related:** NEET 2019 Chemistry Test

Vector | |

Neither scalar nor vector | |

Scalar | |

Both scalar and vector |

Question 3 |

A man standing on a road hold his umbrella at 30° with the vertical to keep the rain away. He throws the umbrella and starts running at 10

*km/hr.*He finds that raindrops are hitting his head vertically, the speed of raindrops with respect to the road will be10 km/hr | |

40 km/hr | |

30 km/hr | |

20 km/hr |

Question 4 |

Two forces of 12

*N*and 8*N*act upon a body. The resultant force on the body has maximum value of4 N | |

0 N | |

20 N | |

8 N |

Question 5 |

A body moves due East with velocity 20

*km/hour*and then due North with velocity 15*km/hour.*The resultant velocity25 km/hour | |

5 km/hour | |

15 km/hour | |

20 km/hour |

Question 6 |

The resultant of the two vectors having magnitude 2 and 3 is 1. What is their cross product

1 | |

3 | |

6 | |

0 |

Question 7 |

A hall has the dimensions 10 m x 12m x 14 m A fly starting at one corner ends up at a diametrically opposite corner. What is the magnitude of its displacement

36 m | |

20 m | |

17 m | |

26 m |

Question 8 |

Dot product of two mutual perpendicular vector is

2 | |

0 | |

None of these | |

1 |

Question 10 |

The resultant of two vectors

*A*and*B*is perpendicular to the vector*A*and its magnitude is equal to half the magnitude of vector*B.*The angle between*A*and*B*is150° | |

120° | |

135° | |

None of these |

Question 11 |

The maximum and minimum magnitude of the resultant of two given vectors are 17

*units*and 7*unit*respectively. If these two vectors are at right angles to each other, the magnitude of their resultant is18 | |

14 | |

16 | |

13 |

Question 12 |

Following sets of three forces act on a body. Whose resultant cannot be zero

10, 20, 23 | |

10, 10, 10 | |

10, 10, 20 | |

10, 20, 40 |

Question 13 |

The vector
are perpendicular to each other. The positive value of

*a*is4 | |

13 | |

3 | |

9 |

Question 14 |

Angular momentum is

An axial vector | |

None of these | |

A polar vector | |

A scalar |

Question 15 |

Two forces, each of magnitude

*F*have a resultant of the same magnitude*F.*The angle between the two forces is60° | |

45° | |

150° | |

120° |

Question 16 |

A particle has displacement of 12

*m*towards east and 5*m*towards north then 6*m*vertically upward. The sum of these displacements is12 m | |

10.04 m | |

None of these | |

14.31 m |

Question 17 |

Maximum and minimum magnitudes of the resultant of two vectors of magnitudes

*P*and*Q*are in the ratio 3 : 1 Which of the following relations is true**Related:** CBSE Physics Previous Year Paper

P = Q | |

P = 2Q | |

None of these | |

PQ = 1 |

Question 18 |

Which of the following is a scalar quantity?

Electric field | |

Displacement | |

Acceleration | |

Work |

Question 19 |

Act at an angle of 30° | |

Are parallel to each other | |

Are perpendicular to each other | |

Act at an angle of 60° |

Question 20 |

How many minimum number of non-zero vectors in different planes can be added to give zero resultant

2 | |

5 | |

3 | |

4 |

There are 20 questions to complete.

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