DMI - ST.EUGENE UNIVERSITY
(RUN BY SISTERS OF DAUGHTERS OF MARY IMMACULATE AND COLLABORATORS)
INSTITUTE OF VIRTUAL AND DISTANCE LEARNING
CONTINUOUS ASSESSMENT TEST-I
Module Code: 800 PH 103
Module Name: Physics - I
Date: 10.01.2017
Time: 10.00 – 11.00 Hrs
Questions
1. Units obtained for the derived quantities are called __________.
(A) Fundamental Units
(B) System of Units
(C) Derived units
(D) Base Units
2. A unit of electric current is ________.
(A) Ampere
(B) Kelvin
(C) Tesla
(D) Candela
3. Value of a quintal in SI unit is ________.
(A) 50kg
(B) 100kg
(C) 100g
(D) 100 mg
4. A vernier callipers is used for lengths to an accuracy of ________
(A) 104 m
(B) 10-14m
(C) 10km
(D) 10-4m
5. Mass of the Uranium atom is _________.
(A) 10-5kg
(B) 10-15
(C) 10-25kg
(D) 10-20
6. Uncertainty is called ________.
(A) Accuracy
(C) Precision
(B) Error
(D) Both (A) & (B)
7. The smallest value that can be measured by the measuring instrument is
called its __________.
(A) Least count
(B) Instrumental error
(C) Systematic error
(D) Personal error
8. The reliable digits plus the first uncertain digit are known as _________.
(A) Significant Digits
(B) Significant figures
(C) Significant Number
(D) both (A) & (B)
9. Dimensional formula for acceleration is _________.
(A) M L-3 T0
(B) M L0 T
(C) M0 L3 T2
(D) M L T
10. The property of the body is called _________.
(A)Inertia of rest
(B) Inertia
(C) Inertia of Motion
(D) Inertia of direction
11. Momentum is defined as product of mass and ______
(A) Displacement
(B) Acceleration
(C) Velocity
(D) Speed
12. Equilibrium under three concurrent forces F1, F2, F3 requires that
the vector sum of the three forces is ________.
(A) 1
(B) Constant
(C) <1
(D) 0
13. _________ forces oppose relative motion between two surfaces in contact.
(A) Frictional
(B) Static
(C) Dynamic
(D) Circular
14. The change in kinetic energy of a particle is ________ to the work done on
it by the net force.
(A) Not equal
(B) Constant
(C) Equal
(D) None of this above
15. Equation for kinetic energy is _________.
1
(A)𝑚𝑣 3
(B) 2 𝑚𝑣 2
(C) 𝑚𝑣 2
1
(D) 2 𝑚𝑣
16. Equation for potential energy is _________.
(A) mg2
(B) m2gh
(C) ½ mgh
(D) mgh
17. Relation of mass and energy is ________.
(A) E = mc2
(B) E = mc
2
(C) E = m c
(D) E = ½ mc2
18. The speed of light in vacuum is approximately _________.
(A) 3 × 1018
(B) 3 × 10-8
(C) 3 × 108
(D) 3 × 10-18
19. __________ is defined as the time rate at which work is done
or energy is transferred.
(A) Power
(B) Work
(C) Energy
(D) None of the above
20. Newton’s third law is ________.
(A) F = F
(C) F = 0
(B) F = - F
(D) F = 1
21. The WE theorem is not independent of ___________ law
(A) Newton’s first
(B) Newton’s third
(C) Ampere circuit
(D) Newton’s second
22. The total linear momentum is conserved at each instant of the ________.
(A) One dimensional collision
(B) In elastic collision
(C) Collision
(D) Friction
23. Work – Energy theory for variable force is ______.
(A) Kf – Ki=W
(B) Kf =W
(C) Ki=W
(D) Kf – Ki=0
24. 1 hp is equal to ________
(A) 746 KW
(C) 746 mW
(B) 746 W
(D) 746 MW
25. The scalar or dot product of two vectors A and B is written as _______.
(A) AB
(B) AXB
(C) AB.
(D) A.B