What volume of 0.5 molar h2so4 will exactly neutralize 2cm2 of 0.1 molar of naoh solution h2so4+2naoh

it will take 2 moles of NaOH for each mole of H2SO4

so how many moles of H2SO4 do you have?
moles = M * Liters
so you need to solve
2*0.5x = 0.1 * 2/1000