Ads

Ads

Free study material BY DEM

Monday, March 2, 2009

Basic Physics

Q-1 Volume = length × breadth × ?
(a) Height
(b) Second
(c) Meter
(d) None
Q-2 What is unit of Wavelength?
(a) m
(b) s
(c) ms-1
(d) ms-2
Q-3 What is SI unit of light energy?
(a) Joule
(b) ms-1
(c) m
(d) None
Q-4 What is unit of Power?
(a) Watt
(b) Nm-1
(c) ms-1
(d) None
Q-5 What is unit of frequency?
(a) HZ
(b) m
(c) w
(d) None
Q-6 What is SI unit of Pressure?
(a) Nm-2
(b) Nm
(c) Nm-1
(d) Nm2
Q-7 What is approximate value of g?
(a) 12
(b) 15
(c) 10
(d) 25
Q-8 Which is dimensionless variable?
(a) 2
(b) Angle
(c) Area
(d) None
Q-9 Which of them is a dimensionless constant?
(a) 2
(b) Angle
(c) Volume
(d) None
Q-10 What is unit of Reynold Number?
(a) Mole-1
(b) No units
(c) Area
(d) None
Q-11 1 Joule = 10? Ergs
(a) 6
(b) 7
(c) 8
(d) 10
Q-12 T =? /
(a) 22
(b) 2π
(c) 3π
(d) 4
Q-13 Write the dimensional formulae of Volume?
(a) MLT
(b) M0L3T0
(c) ML2T3
(d) None
Q-14 Write the dimensional formulae of Speed?
(a) M0L0T1
(b) M0L1T-1
(c) MLT2
(d) M0L0T2
Q-15 Write the dimensional formula of Work?
(a) MLT
(b) ML2T-2
(c) MLT3
(d) None
Q-16 What is dimensional formula of Power?
(a) M2L2T2
(b) M3L2T-3
(c) M4LT0
(d) None
Q-17 Stress =?
(a) Force/time
(b) Force/Area
(c) a & b
(d) None
Q-18 What is Dimensional formula of Tension?
(a) M1L1T-2
(b) M0L1T-1
(c) ML2T-3
(d) None
Q-19 Give the dimensional formula of Tension?
(a) MLT
(b) M0L0T0
(c) ML2T3
(d) None
Q-20 What is the dimensional formula of Angle?
(a) M0L0T0
(b) MLT
(c) ML2T3
(d) M0L2T-3
Q-21 What is dimensional formula of Torque?
(a) ML2T-2
(b) MLT2
(c) M1L2T-2
(d) None
Q-22 What is dimensional formula of Impulse?
(a) M1L1T-1
(b) M2L2T-1
(c) MLT
(d) None
Q-23 What is SI unit of G?
(a) Nm
(b) Nm2
(c) Nm2 Kg-2
(d) None
Q-24 S.I. unit of acc. In
(a) ms-1
(b) ms2
(c) ms
(d) None
Q-25 In MLT, M stands for
(a) Mass
(b) Meter
(c) Kg×
(d) None

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

No comments:

Post a Comment

.