For a $2$ hour, $8$ mm$/$h intensity rainfall, the hydrograph given in Table is observed. The

area of watershed is $500$ km$?$

Table: Propeller readings

Y$=6$

Time $024681012141618202224$ flow rate $8+$y $14+$y $18+$y $30+$y $45+$y $38+$y $28+$y $24+$y $18+$y $14+$y $10+$y $8+$y $8+$y$($m$3/$s$)$

a$)$ Obtain $2$ hour unit $-$ hydrograph for the considered flow section

b$)$ Obtain $4$ hour unit $-$ hydrograph for the considered flow section

c$)$ Obtain the hydrograph of a rainfall with $4$ hour duration and

$10$ mm$/$h intensity

It is a question of hydrology. Please solve the question completely, using the information given in the question correctly.

For a $2$ hour, $8m\frac{m}{h}$ intensity rainfall, the hydrograph given in Table is observed. The area of watershed is $500k{m}^2$

Table: Propeller readings

$\backslash$table$[[$Time$,0,2,4,6,8,10,12,14,16,18,20,22,24],[\backslash$table$[[$flow rate$],[(\frac{m^3}{s})$