CIE Physics Paper-1: Specimen Questions 35 - 37 of 109
Question number: 35
Which one of the child has minimum weight?
|d.||All of the above|
Here from given figure one can conclude that
From first figure in weight Y > Z
From second figure Y > X
And from third figure Z > X
So, from all three results one can write
Therefore X has minimum weight.
Question number: 36
How amount of water becomes half if cold water is put on burner and allowed to remain there for 1 hour?
A tank of cold water put on burner and after 1 hour the volume of water inside the tank is half then its actual volume because of heat half of the liquid molecules of water transformed in to gaseous state. This process is called evaporation.
Question number: 37
Which radiations are stopped by a plastic?
As we know that β- rays are fast moving electrons.
They typically have energies in the range of a few hundred KeV to several MeV.
Since electrons are might lighter than helium atom they are able to penetrate further, through several feet of air but it can be stopped by several millimeter of plastic.