Suppose you make an oscillator from a mass and a spring and measure the frequency. Now you add mass to the oscillator so that its total mass is doubled. Which statement below is most correct?
A. The frequency increases by a factor of 1.4.
B. The period increases by a factor of 2.0.
C. The frequency increases by a factor of 2.0.
D. The period increases by a factor of 1.4.
E. Not enough information is given to answer the question.
is it b or c?

Question

Suppose you make an oscillator from a mass and a spring and measure the frequency. Now you add mass to the oscillator so that its total mass is doubled. Which statement below is most correct? 
A. The frequency increases by a factor of 1.4. 
B. The period increases by a factor of 2.0. 
C. The frequency increases by a factor of 2.0. 
D. The period increases by a factor of 1.4. 
E. Not enough information is given to answer the question.
is it b or c?