NEET 2019 physics questions with solutions

Showing 1–10 of 20 questions

• MCQmediumWork , Power and Energyquestion based on work

  A 500 g particle starts from rest under the force-versus-position graph shown. Find its speeds at x=8 m and x=12 m (nearly).

  

  Options

  • Option A

    18 m/s and 24.4 m/s

  • Option B

    23 m/s and 24.4 m/s

  • Option C

    23 m/s and 20.6 m/s

  • Option D

    18 m/s and 20.6 m/s

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumNewtons law of motion and Frictionnewton second law and problem based on it

  An object flying in air with velocity (20î+ 25$\hat{j}$- 12$\hat{k}$) m s⁻¹ suddenly breaks into two pieces whose masses are in the ratio 1 : 5. The smaller piece moves with velocity (100$\hat{i}$+ 35$\hat{j}$+ 8$\hat{k}$) m s⁻¹. Find the velocity of the larger piece.

  Options

  • Option A

    4$\hat{i}$ + 23$\hat{j}-16\hat{k}$

  • Option B

    -100$\hat{i}-35\hat{j}-8\hat{k}$

  • Option C

    20$\hat{i}+15\hat{j}-80\hat{k}$

  • Option D

    -20$\hat{i}-15\hat{j}-80\hat{k}$

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumNewtons law of motion and Frictionequilibrium problem and newton first law

  A mass m rests on a rough horizontal surface (coefficient of friction μ). A horizontal force is applied but the object remains stationary. The magnitude F of the resultant of its normal force and frictional force obeys:

  Options

  • Option A

    |F|=mg+μmg

  • Option B

    |F|=μmg

  • Option C

    |F|≤mg√(1+μ²)

  • Option D

    |F|=mg

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumKinematics Part-1 (one dimension)Distance,Displacement ,Avg speed and Avg velocity

  The speed of a swimmer in still water is 20 m s⁻¹. The speed of river water is 10 m s⁻¹ and is flowing to east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes with respect to north is given by:

  Options

  • Option A

    0°

  • Option B

    60° west

  • Option C

    45° west

  • Option D

    30° west

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumUnit dimension and errorError and its addition ,subtraction,multiplication and division

  In an experiment, percentage errors in physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. If X = A²B¹ᐟ²/(C¹ᐟ³D³), the maximum percentage error in X is:

  Options

  • Option A

    16%

  • Option B

    -10%

  • Option C

    10%

  • Option D

    (3/13)%

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumKinematics Part-1 (one dimension)Distance,Displacement ,Avg speed and Avg velocity

  Two bullets are fired horizontally and simultaneously towards each other from roof tops of two buildings 100 m apart and of the same height of 200 m, each with speed 25 m s⁻¹. When and where will the two bullets collide? (g = 10 m s⁻²)

  Options

  • Option A

    After 2 s at a height 180 m

  • Option B

    After 2 s at a height 20 m

  • Option C

    After 4 s at a height 120 m

  • Option D

    They will not collide

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumKinematics Part-1 (one dimension)Distance,Displacement ,Avg speed and Avg velocity

  A person travelling in a straight line moves with a constant velocity v₁ for a certain distance x and with a constant velocity v₂ for the next equal distance. The average velocity v is given by the relation:

  Options

  • Option A

    1/v = 1/v₁ + 1/v₂

  • Option B

    2/v = 1/v₁ + 1/v₂

  • Option C

    v/2 = (v₁+v₂)/2

  • Option D

    v = √(v₁v₂)

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumNewtons law of motion and Frictionequilibrium problem and newton first law

  A particle with velocity v is acted on by three forces represented successively by the sides of the closed vector triangle PQR shown. The velocity will:

  

  Options

  • Option A

    decrease

  • Option B

    remain constant

  • Option C

    change according to the smallest force QR

  • Option D

    increase

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumKinematics part-2 Projectile MotionInclined projectile

  An object is shot from the bottom of a long smooth inclined plane with speed u. When the plane is at 60° to the horizontal it travels a distance x₁ before stopping. When the plane is at 30° and the same object is shot with the same speed, it travels x₂. Then x₁: x₂ is:

  Options

  • Option A

    √2 : 1

  • Option B

    1 : √3

  • Option C

    1 : 2√3

  • Option D

    1 : √2

  Check answerShow answer

  NEET 2019

  Open question & full solution →
• MCQmediumGravitationGravitation, Gravitational Field & Potential Energy

  What work is required to raise a mass m from Earth’s surface to height h=R, where R is Earth’s radius?

  Options

  • Option A

    3mgR/2

  • Option B

    mgR

  • Option C

    2mgR

  • Option D

    mgR/2

  Check answerShow answer

  NEET 2019

  Open question & full solution →