TEST#1.1

ENGR: KAMRAN ALI SOOMRO

1- There are ………….. Forces in nature.

a- 4 b- 3 c- 7 d- 5

2- Which of the following force is strongest ……..

a- Electromagnetic force b- gravitation force c- strong nuclear d- weak nuclear

3- The force which holds the nucleon with in nucleus is known as ……..

a- Gravitational force b- strong nuclear force c- electromagnetic d- weak nuclear

4- Which of following statement is true for gravitational force?

a- Short range force b- carried by photon c- attractive only d- A.O.T

5- The scale used for measure the length of rod is in cm if measured length is 2.5cm then the possible

relative error is …..

a- 0.1cm b- 0. 04cm c- 0. 01 cm d- 0.4cm

6- The radius of sphere has uncertainty of 0.1 cm then possible uncertainty in its volume will be …

a- 0.1cm b-0. 001cm c- 0.3 cm d- N.o.T

7- A student is performing an experiment in lab, he takes four reading as 2.54, 2.55, 2.53, and 2.51 while

actual result is 3.25 then his readings are said to be ……

a- Accurate b- precise c- uncertain d-A.O.T

8- The mass of a body is 2±0.01 kg and acceleration is 5±0.01 m/s2 then applied force is .

a- 10±0. 02 N b- 15±0. 002 N c- 10±0. 002 N d- 10±0. 01 N

9- The error caused due to uncertainty in instrument is known as …..

a- Systematic error b- instrument error c- personal error d-random error

10- Round off the 247.87 into 2 significant fig…..

a- 25 b- 250 c- 248 c- 200

11- 0.0500 contains …….. Significant fig.

a- 1 b- 5 c- 3 d- 4

12- The characteristic of 278.987 is ……….

a- 2 b- 3 c-1 d- 4

13- 2345.87 can be written in scientific notation as ….

a- 2.34578×10-3 b- 2.34578×103 c2.34578×104 d-2.34578×10-5

14- 2.54×0.5=….

a- 1.27 b- 1 c- 1.2 d- 1.275

15- The unit of mass, length, time in C.G.S system are …………. respectively.

a- Kilogram ,meter ,second b- gram, meter, second c-gram, meter, second d- gram,cm,sec

16- In C.G.S the unit of force is dyne, one dyne is =……………

a- 10-5 kgm/s2 b- 10-7 kgm/s2 c-107 kgm/s2 d- 105 kgm/s2

17- In C.G.S system the unit of magnetic field is ……

a- Tesla b- N/A c- Gauss d- dyne/c

18- In C.G.S system the unit of heat is ……..

a- Calorie b- joule c- watt d- Erg

19- The unit of mass in F.P.S system is …………..

a- Pound b- foot c- slug d- inch

20- Which of the following quantity is not fundamental in F.P.S system

a- Mass b- length c- force d- time

TEST#1.1

ENGR: KAMRAN ALI SOOMRO

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