TEST#1.2

ENGR: KAMRAN ALI SOOMRO

1- In S.I system there are ………... fundamental quantities

a- 4 b- 3 c- 7 d- 9

2- The unit of amount of substance in S.I system is ……..

a- Kelvin b- candela c- mole d- ampere

3- The S.I unit of luminous intensity is ……..

a- Kelvin b- candela c- mole d- Angstrom

4- Which of the following is the smallest prefix

a- milli b- pico c- femto d- micro

5- one Pico meter =…..m

a- 10-12 b-10-9 c- 10-3 d- 10-2

6- The dimension of area, volume and density are ……….. respectively

a- L2, L3, M L-2 b- L2, L3, M L-3 c- L2, L3, M L3 d- L2, L-3, M L-2

7- Which of following pair have same dimension ……

I -Pressure, stress II-Planks constant, angular momentum III- spring constant, surface tension

a- I only b- I & II C- II & III d-I,II,III

8- The dimension of angular momentum is …………….

a- M L2 T-2 b- M2 L2 T-1 c- M L T -1 d- M L2 T-1

9- Which of following has no dimension …..

a- Strain b- angular displacement c- co-efficient of friction d- A.O.T

10- Which of the following is astronomical unit of length …..

a- Meter b- milli meter c- micron d- Angstrom

11- 10A= mm

a- 0.1 b- 10 c- 0. 01 d- 100

12- One mean solar day = ………. .

a- 24000 days b- 86400 second c-365 d- 4 year

13- Light year is the unit of ….

a- Speed of light b- length c gravity d- temperature

14- One gauss=……….tesla

a- 10-4 b- 104 c-10-5 d- 105

15- The standard of kilogram are based on .

a- Vibration o Cs b- specific platinum- iridium mass c-distance of light d- N.O.T

16- The standard of meter is based on ……………

a- Distance travlled by light b- vibration of Cs c- vibration of kr d- N.O.T

17- The standard of second is based on ……

a- Vibration of Cs b- distance travled by light c- intensity of light d-N.O.T

18- The standard of mole is based on ……..

a- C-12 isotope of carbon b- c-14 isotope of carbon c-Na-22 isotope d-U-235 isotope

19- One kevin is defined as …………..

a- Temperature of tripe point of water b- 1/273 fraction of tripe point of water

c- Temperature of our atmosphere d- N.O.T

20- If y shows the position of an object as y=at-bt2 then dimension of a & b are ……..

a- L2 T-1, L T-2 b- L T-1 , L T-2 c- L2 T-2 , L2 T-1 d- L T-2, L2 T-1

21- The branch of physics that deals the related phenomena of electricity and magnetism is known as…..

a- Mechanics b- solid state physics c- quantum physics d electromagnetism

22- The branch of physics that deals the production , propagation and interaction of sound with environment is known as ………

a- Acoustics b- nuclear physics c- atomic physics d- optics

23- The branch of physics that deals the study of structure and properties of solids is known as ..

a- Solid state physics b- nuclear physics c- atomic physics d- N.O.T

24- The branch of physics that deals with the study of nuclear structure and nuclear reaction is known as …

a- Nuclear physics b- atomic physics c- molecular physics d- N.O.T

25- The branch of physics that deals with conversion of heat into mechanical work is known as ….

a- Thermal physics b- thermodynamics c- molecular physics d- N.O.T

TEST#1.2

ENGR: KAMRAN ALI SOOMRO