Given below are two statements: 

Statement I: Range for projectile motion on a horizontal plane is maximum for the angle of projection equal to 45°.
Statement II: The time of flight of a projectile on a horizontal plane does not depend on the horizontal component of velocity.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.

Subtopic:  Projectile Motion |
 78%
From NCERT
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Given below are two statements: 

Statement I: A body either dropped or thrown horizontally from the same height, reach the ground at the same time interval.
Statement II: The horizontal velocity of a particle has no effect on its vertical motion.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Projectile Motion |
From NCERT
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Given below are two statements: 

Assertion (A): Uniform circular motion is an unaccelerated motion.
Reason (R): Velocity remains constant in a uniform circular motion.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Circular Motion |
 69%
From NCERT
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Assertion: A food packet is dropped from an airplane flying horizontally. The path of the food packet is a straight line for the pilot.
Reason: Horizontal velocity of plane and food packet is the same.


1. both Assertion and Reason are true and the reason is the correct explanation of the assertion.
2. both Assertion and Reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is a true statement but Reason is false.
4. both Assertion and Reason are false statements.

Subtopic:  Projectile Motion |
 80%
From NCERT
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Given below are two statements: 

Statement I: Instantaneous velocity of a particle is always along the tangent on the path.
Statement II: \(\frac{d\vec{v}}{dt}\) is a component of acceleration which is at \(90^\circ\) from the velocity vector.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Circular Motion |
From NCERT
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Given below are two statements: 

Statement I: The path of a projected ball is parabolic in the uniform gravitational field for oblique projection in the absence of air resistance.
Statement II: The gravitational force always acts perpendicular to velocity during the motion of a projectile.
 
1. Statement I is false but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is true but Statement II is false.
Subtopic:  Projectile Motion |
From NCERT
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An elevator whose floor to ceiling height is 12 meters, moves upward with an acceleration of 2.2 m/s2. After 1.5 seconds since starting, a bolt falls from its ceiling. The time taken by the bolt to reach the floor is

1. 1 s

2. 2 s

3. 2 s

4. 3 s

Subtopic:  Relative Motion in One Dimension |
 64%
From NCERT
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If velocity of the particle v=kx3/2, then the acceleration versus displacement graph is:

1. Parabola

2. Circle

3. Straight line

4. Rectangular hyperbola

Subtopic:  Acceleration |
 65%
From NCERT
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A body has an initial velocity of 3 m/s and has an acceleration of 1 m/s2 normal to the direction of the initial velocity. Then its velocity 4 seconds after the start is:

(1) 7 m/s along the direction of initial velocity

(2) 7 m/s along the normal to the direction of initial velocity

(3) 7 m/s mid-way between the two directions

(4) 5 m/s at an angle of tan–1 (4/3) with the direction of initial velocity

Subtopic:  Acceleration |
 59%
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The position vector of a moving particle at time t is r = ai^ + 4t2 j ^- t3 k^. Its displacement during the time interval, t = 1 s to t = 3 s is :

1.  i^ + j^

2.  3i^ + 4j^- k^

3.  9i^ + 36j^- 27k^

4.  32j^- 26k^

Subtopic:  Position & Displacement |
 80%
From NCERT
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