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Saturday, March 28, 2009

Physics 1

Q-1 How many significant figures are there in 15354
(a) 3
(b) 4
(c) 5
(d) 9
(e) 11
Q-2 Find the No. of significant digit in 40005
(a) 4
(b) 5
(c) 3
(d) 2
Q-3 After rounding off, what will be the value of 89.35?
(a) 89.4
(b) 89.5
(c) 89.3
(d) 89.2
Q-4 How many significant figures are there in 0.25701
(a) 3
(b) 5
(c) 6
(d) 1
Q-5 What are the numbers of branches in mechanics?
(a) 4
(b) 3
(c) 5
(d) None
Q-6 Earth revolving around the Sun in an example of
(a) Rational Motion
(b) Translation Motion
(c) Vibratory Motion
(d) None
Q-7 Train moving in a straight Track in an example of
(a) Translational motion
(b) Rotational motion
(c) Vibratory motion
(d) None
Q-8 How many types of motion are there?
(a) 2
(b) 3
(c) 4
(d) 8
Q-9 Pendulum’s motion in a wall clock in an example of (a) Vibrational motion
(b) Rotational motion
(c) Translation motion
(d) None
Q-10 In one dimensional motion, how many Position co-ordinate are required to specify the position
(a) 1
(b) 2
(c) 3
(d) 4
Q-11 When a Car moving on a straight road, it is an example of
(a) 1 – dimensional
(b) 2 – dimensional
(c) 3 – dimensional
(d) None
Q-12 Bird flying in the sky is an example of
(a) 3 – Dimensional motion
(b) 2 – Dimensional motion
(c) 1 – Dimensional motion
(d) None
Q-13 What is a Scalar quantity?
(a) Which have magnitude as well as direction
(b) Which have only magnitude & No direction
(c) a & b
(d) None
Q-14 Distance is a
(a) Vector quantity
(b) Scalar quantity
(c) a & b
(d) None
Q-15 The device which is used to measure distance traveled by vehicle
(a) Potentiometer
(b) Odometer
(c) Speed way
(d) None
Q-16 Distance covered by a particle always
(a) Positive
(b) 0
(c) Negative
(d) None
Q-17 If we want to convert km/h to m/s then by which quantity we have to multiply it
(a) 5/18
(b) 18/5
(c) 19/5
(d) 15/9
Q-19 If a particle starts from Point A & reaches at a after few time then its displacement is
(a) 0
(b) 2
(c) 3
(d) 4
Q-20 Distance covered by a Particle
(a) Magnitude of displacements
(b) Velocity
(c) Acc
(d) None
Q-21 Speed is a
(a) Scalar quantity
(b) Vector quantity
(c) a & b
(d) None
Q-22 Speed can never be
(a) 0
(b) 1
(c) 2
(d) 4
Q-23 Slope of displacement – time graph always equal to
(a) Sin q
(b) Cos q
(c) tan q
(d) None
Q-24 Acceleration is a
(a) Vector quantity
(b) Scalar quantity
(c) a & b
(d) None
Q-25 Which is Dimensional formula of Acc.?
(a) M0LT-2
(b) M2L1T-1
(c) a & b
(d) None

Answers:
1. c
2. b
3. a
4. b
5. b
6. a
7. a
8. b
9. a
10. a
11. a
12. a
13. b
14. b
15. b
16. a
17. a
18. a
19. a
20. a
21. a
22. a
23. c
24. a
25. a

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