Physics Test 04

Total Questions: 23

1 - Velocity of paratrooper is called

A ) Uniform velocity
B ) Terminal velocity
C ) Variable velocity
D ) Both a & b

2 - S=____

A ) r/1
B ) V×t ✅
C ) 1/r
D ) d×t

3 - The unit of speed and velocity is

A ) ms-¹
B ) ms-² ✅
C ) m
D ) s

4 - Formula of velocity is

A ) v= d/1 ✅
B ) V= s/1
C ) V= a/1
D ) a= v×t

5 - A sprinter completes its 100 m race 12 See then its speed will be

A ) 6.33ms-¹
B ) 8.33ms-¹ ✅
C ) 9.33ms-¹
D ) 100ms-¹

6 - Acceleration is always directed in the ___

A ) Velocity
B ) Speed
C ) Force ✅
D ) Torque

7 - The unit of acceleration is

A ) ms-¹
B ) ms-² ✅
C ) m
D ) s

8 - If the velocity of the body is increasing then the acceleration will be

A ) Positive ✅
B ) Negative
C ) Deceleration
D ) Retardation

9 - If the velocity of the body is decreasing then the acceleration will be

A ) Negative ✅
B ) Deceleration
C ) Retardation
D ) All of these

13 - When the object is at rest then distance-time graph will be

A ) Parallel to time axis
B ) Curved line ✅
C ) Inclined to time axis
D ) None of these

14 - The slope of distance- time graph is equal to

A ) Displacement ✅
B ) Speed
C ) Acceleration
D ) Torque

15 - When the object is moving with uniform acceleration then speed -time graph will be

A ) Parallel to time axis
B ) Curved line ✅
C ) Inclined to time axis
D ) None of these

16 - The slope of the speed -time is equal to ____

A ) Velocity
B ) Speed ✅
C ) Acceleration
D ) Torque

17 - The total area under the speed -time graph is equal to

A ) Velocity
B ) Speed
C ) Acceleration
D ) Distance ✅

18 - Which of the following is the first equation of motion?

A ) Vf = Vt + at ✅
B ) S= Vt + ½at²
C ) 2aS = Vf² + Vt²
D ) S = V× t

19 - Which of the following is the second equation of motion?

A ) Vf = Vt +at
B ) S= Vt + ½ ar² ✅
C ) 2aS = Vf² + Vi²
D ) S = V×t

20 - Equation of motion are

A ) 1
B ) 2
C ) 3 ✅
D ) 4

21 - The valve of gravitational acceleration is

A ) 10ms-¹ ✅
B ) 20ms-²
C ) 100ms-¹
D ) 50ms-¹

22 - 2nd equation of motion under gravity is

A ) 2gh = Vf²- Vi²
B ) Vf = Vi + gt
C ) h = Vit + ½gt² ✅
D ) 2as = Vf² - Vi²

23 - 3rd equation of motion under gravity is

A ) Vf=Vi + gt
B ) S= Vit +½ at²
C ) 2as = Vf² - Vf²
D ) 2gh = Vf² - Vf² ✅