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Flip-Flops - Technical MCQs

Q1:

A 555 timer is connected for astable operation as shown below along with the output waveform. It is determined that the duty cycle should be 0.5. What steps need to be taken to correct the duty cycle, while maintaining the same output frequency?

A Increase the value of C.

B Increase Vcc and decrease RL.

C
Decrease R1 and R2.

D
Decrease R1 and increase R2.

ANS:D -

Decrease R1 and increase R2.

Correct me if I'm wrong, but I think decreasing R1 and increasing R2 will change the output frequency.