A Best Way To Crack Gorenment Job Exams

General Knowledge Objective Questions { Physics }

8. Which among the following is the fundamental quantity ?

9. When a ring of metal is heatedwhat happens to its hole ?
C.it expands or contracts according to its diameter
D.it expands or contracts according to its coefficient of expansion

10. If the diameter of a capillary is doubled, then the rise of water in it will be
A.two times
C.four times
D.no change

11. Why the needle of iron swims on water surface when it is kept gently ?
A.It will remain under the water, when it will displace more water than its weight
B.the density of needle is less than that of water
C.due to surface tension
D.due to its shape

12. The mass of a star is two times the mass of the Sun, How it will come to an end ?
A.Neutron Star
B.Black hole
C.White Dwarf
D.Red Giant

13. Rain drops fall from great height, Which among the following statements is true regarding it?
A.they fall with that ultimate velocity, which are different for different droplets
B.they fall with same ultimate velocity
C.their velocity increases and they fall with different velocity on the earth
D.their velocity increases and they fall with same velocity on the earth

14. On which of the following techniques photostate machine works ?
A.Magnetic Image?Making
B.Thermal Image?Making
C.Electrostatic Image?Making
D.Electromagnetic Image?Making

Page 2 of 18

« 1  2  34 »