![A NACA 0012 airfoil has a trailing edge flap. The airfoil is operating at an angle of attack of 5 degrees with un-deflected flap](https://www.gkseries.com/blog/wp-content/uploads/2023/09/A-NACA-0012-airfoil-has-a-trailing-edge-flap.-The-airfoil-is-operating-at-an-angle-of-attack-of-5-degrees-with-un-deflected-flap.jpg)
Q. A NACA 0012 airfoil has a trailing edge flap. The airfoil is operating at an angle of attack of 5 degrees with un-deflected flap. If the flap is now deflected by 5 degrees downwards, the 𝐶𝐿 versus 𝛼 curve
(A) shifts right and slope increases.
(B) shifts left and slope increases.
(C) shifts left and slope stays the same.
(D) shifts right and slope stays the same.
Ans: shifts left and slope stays the same.