**1311. The numerical ratio of displacement to distance is :**

A. Equal to one

B. Less than one

C. Greater than one

**D. Anything less or equal to one ***

**1312. A stone dropped from the top of tower reaches the ground in 2 sec . if ‘g’ is 10m/sec2. then ****length**** of tower is :**

A. 10 M

**B. 20 M ***

C. 30 M

D. 40 M

**1313. A Projectile will cover the same horizontal distance when the initial angles of projection are :**

A. 30 Degree and 40 Degree

B. 30 Degree and 45 Degree

**C. 60 Degree and 30 Degree ***

D. 45 Degree and 60 Degree

**1314. Projectile is thrown in such way that its maximum height equal to its maximum range the angle of projection is :**

**A. 76 Degree ***

B. 74 Degree

C. 72 Degree

D. 78 Degree

**1315. A young boy is seated in a train with his back to the engine and tosses a coin, which falls behind him as the train moves:**

A. Forward and uniform speed

B. Backward and uniform speed

**C. Forward with acceleration ***

D. Forward and deceleration

**1316. A body of mass 40 gram is moving with a velocity of 2 cm/sec on a horizontal frictionless table , the force on a body is :**

A. 39,200 Dyne

B. 160 Dyne

C. 80 Dyne

**D. Zero ***

**1317. A tone of mass is 10 kg is falling freely ,Its weight is :**

A. Zero

**B. 98 N ***

C. Less than 98 N

D. Greater than 98 N

**1318. A body of Mass 2kg moves with an acceleration of 20m/sec , the rate of change of momentum is :**

**A. 40 kg m/ sec2 ***

B. 10 kg m/ sec2

C. 20 kg m/ sec2

D. 11 kg m/ sec2

**1319. When a projectile is at highest point the direction of its velocity and acceleration is :**

A. Parallel to each other

B. Anti parallel to each other

**C. Perpendicular to each other ***

D. Inclined at an angle of 45 Degree

**1320. If an object is moving with a constant acceleration then net force acting on it is :**

**A. Constant ***

B. Zero

C. Increasing

D. Decreasing