## Physics XI Karachi Board [Motion In Two Dimension] MCQS Online Test - 1

Physics Aptitude Test.**20**Questions from Chapter 04 Motion In Two Dimension .

**Q2.**During the downward motion of the projectile the vertical component of velocity.

**Q3.**The direction of linear velocity of a particle moving along a circle is directed

**Q5.**If the speed of particle in a circle is doubled the centripetal force acting upon it

**Q6.**An object thrown, in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

**Q9.**For any value of initial velocity, the minimum range of a projectile is obtained by throwing it at an angle of

**Q11.**The horizontal range of a shell fired with a speed of 49m s

^{-1}at an angle 45° with the horizontal is

**Q12.**At the highest point of trajectory of projectile, the horizontal component of velocity is

**Q13.**The vertical component of velocity of a projectile, during its motions, is minimum

**Q15.**The projectile attains maximum horizontal range when it is projected at an angle of

**Q18.**The force responsible for the circular motion of the electron around the nucleus is

**Q20.**When a body moves in a circle, the angle between its linear velocity v and angular velocity is

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