question_answer

A wheel is subjected to uniform angular acceleration about its axis. Initially its angular velocity is zero. In the first two seconds it rotates through angle \[{{\theta }_{1}}\]. In the next two second it rotates through angle \[{{\theta }_{2}}\]. What is the ratio \[\frac{{{\theta }_{2}}}{{{\theta }_{1}}}\] ?

A)  1                    

B)  1

C)  3                  

D)  4