There is negative marking of -1.00 for all incorrect answers chosen.

There is no deduction for NOT attempted question.

All questions carry equal marks and all 15 questions are of 4 marks each.

All Questions are compulsory.

(Powered By: Kailasha Foundation - Fun & Learn Portal)

Name

Email

1. A body goes from A to B with a velocity of 20 m/s and comes back from B to A with a velocity of 30 m/s. The average velocity of the body during the whole journey is

zero

24 m/s

25 m/s

none of these

2. A body covers half the distance with a speed of 20 m/s and the other half with a speed of 30 m/s. The average velocity of the body during the whole journey is

zero

24 m/s

25 m/s

none of these

3. In the equation of motion, S = ut + (½)at^{2}, S stands for

displacement in t seconds

maximum height reached

distance travelled in the t th second

none of these

4. Choose the wrong statement.

Average speed is a vector quantity

Displacement is a vector quantity

Retardation is a vector quantity

Acceleration due to gravity is a vector quantity

5. In the equation of motion, x = at + bt^{2}, the units of a and b are respectively

m/s2, m/s

m/s, m/s2

m/s, m/s

none of these

6. A body is thrown up with an initial velocity u covers a maximum height of h, then h is equal to

[u^(2)]/2g

u/2g

2ug

none of these

7. A body is thrown vertically upwards and rises to a height of 10 m. The velocity with which the body was thrown upwards is (g = 9.8 m/s)

10 m/s

20 m/s

14 m/s

none of these

8. Velocity-time graph AB fig shows that the body has

a uniform acceleration

a non-uniform acceleration

uniform speed

initial velocity OA and is moving with uniform retardation

9. A particle experiences constant acceleration for 20 s after starting from rest. If it travels a distance X_{1} in the remaining 10 s, then which of the following is true?

X1 = 2X2

X1 = X2

X1 = 3X2

None of these

10. A train passes over a 400 m long bridge if the speed of the train is 30 m/s and the train takes 20 s to cross the bridge, find the length of the train.

400 m

600 m

800 m

200 m

11. SI unit for the average velocity is

m/s

km/s

cm/s

mm/s

12. A train 50 m long passes over a bridge at a velocity of 30 km/h. If it takes 36 sec to cross the bridge, the length of the bridge will be

100 m

200 m

250 m

300 m

13. The SI unit for angular velocity is

m/s

rad

rad/sec

m/rad

14. The figure below shows the displacement-time graphs (a) and (b) for a body moving in a straight path drawn on the same scales. Then

slope of line in (a) is greater than the slope of line in (b

slope of line in (b) is greater than the slope of line in (a)

slope of line in (a) is equal to the slope of line in (b)

nothing can be said about slopes

15. In figure BC represents a body moving

backward with uniform velocity

forward with uniform velocity

backward with non-uniform velocity

forward with non-uniform velocity

In you found any technical glitches, please contact our system administrator HERE or use the live chat box at the bottom right corner of this website (if available).

If anyone charges you even with single Rupee for attempting this mock, then do complain us about the same