Medical Sample papers

# Measurement and Physical Quantities (NEET Physics) ## NEET MCQs on Physical World and Measurement

 Question 1
Which pair of the following forces will never give resultant force of 2 N
 A 1 N and 4 N B 1 N and 3 N C 1 N and 1 N D 2 N and 2 N
 Question 2
Surface area is

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 A Vector B Neither scalar nor vector C Scalar D 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 be
 A 10 km/hr B 40 km/hr C 30 km/hr D 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 of
 A 4 N B 0 N C 20 N D 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 velocity
 A 25 km/hour B 5 km/hour C 15 km/hour D 20 km/hour
 Question 6
The resultant of the two vectors having magnitude 2 and 3 is 1. What is their cross product
 A 1 B 3 C 6 D 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
 A 36 m B 20 m C 17 m D 26 m
 Question 8
Dot product of two mutual perpendicular vector is
 A 2 B 0 C None of these D 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 is
 A 150° B 120° C 135° D 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 is
 A 18 B 14 C 16 D 13
 Question 12
Following sets of three forces act on a body. Whose resultant cannot be zero
 A 10, 20, 23 B 10, 10, 10 C 10, 10, 20 D 10, 20, 40
 Question 14
Angular momentum is
 A An axial vector B None of these C A polar vector D A scalar
 Question 15
Two forces, each of magnitude F have a resultant of the same magnitude F. The angle between the two forces is
 A 60° B 45° C 150° D 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 is
 A 12 m B 10.04 m C None of these D 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

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 A P = Q B P = 2Q C None of these D PQ = 1
 Question 18
Which of the following is a scalar quantity?
 A Electric field B Displacement C Acceleration D Work
 Question 19
 A Act at an angle of 30° B Are parallel to each other C Are perpendicular to each other D 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
 A 2 B 5 C 3 D 4
There are 20 questions to complete. 