Ist year Physics (Objective)

1-The branch of physics which deals with atomic nuclei called

a. Astro Physics
b. Thermodynamics
c. Meta Physics
d. Nuclear physics

2-Temprature is the quantity

a. Derived
b. Base
c. Both derived and base
d. None of these

3-One light year is equal to

a. 9.46 x 1015 cm
b. 9.46 x 1015 m
c. 9.46 x 1015 km
d. 9.46 x 1017 km

4-Unit used for the factor (l/g)1/2 may be:

a. Meter
b. Second
c. Kilogram
d. Radian

5-The unit of work in base unit is_______

a. Kgms-2
b. Kgms2
c. Kgm2s-2
d. Kgm-1s-2

6-Which of the following is derived unit?

a. Newton
b. Candela
c. Mole
d. Meter

7-The prifix pico is equal to

a. 10-12
b. 10-15
c. 10-9
d. 1012

8-Which of the follwing is least multiple

a. Atto
b. Femto
c. Nano
d. Pico

9-Significant figures in 0.00846

a. 3
b. 4
c. 6
d. 7

10-Number of significant figures in 01.020mm are

a. 2
b. 3
c. 4
d. 5

11-The dimention [M0LT0] represents the quantity

a. Length
b. Mass
c. Time
d. Velocity

12-Which of the follwing pair has the same dimentions?

a. Work and Power
b. Momentum and Energy
c. Power and Pressure
d. Work and Torque

 13-The error which occures due to poor calibration is called

a. personal error
b. random error
c. systematic error
d. uncertain error

14-Which one of the following is not unit of energy?

a. Kilowatt
b. Erg
c. Kilowatt-hour
d. Joule

15-The SI unit of plane angle is

a. degree
b. radian
c. steradian
d. none of these

16-The ratio of 1 nanometer to 1 attometer is:

a. 109 (9 is the power of 10)
b. 108
c. 10-9
d. 10-8

17-Ratio of dimensions of power and work?

a. 1 : T
b. 2 : T
c. T : 1
d. none of these

18-Computer chips are made of:

a. Silicon
b. Aluminum
c. Germanium
d. Carbon

19-In SI numbers of physical quantities are

a. 7
b. 3
c. 2
d. infinite

20-The value of solar constant in SI units is:

a. 1400 w/m2
b. 1400 w2/m
c. 1400 wm2
d. 1400 w2m2

21-The dimentions [ML-1T2] is of which quantity

a. pressure
b. stress
c. electricity
d. both A & C

22-The dimention of Force is:

a. [MLT-2]
b. [MLT-1]
c. [L]
d. [ML-1T-1]

23-One Mega is equal to:

a. 101
b. 10-12
c. 106 (6 is the power of 10)
d. 1015

24-The dimention of angular acceleration:

a. [T-1]
b. [T-2]
c. [T-3]
d. [LT-2]

25-Light year is the unit of

a. Length
b. Mass
c. Time
d. Distance