Question

plz tell solve my doubt plzzzx 100 kese aya solve karne mai jab ki formula hota hai p=1/f​

Answer 1

Answer:

BECAUSE 25 CM DIYA H... JABKI POWER NIKALNE KE LIYE F..... M MA HOTI H..... SO 1/25/100M HO GYA WHICH GIVES 100/25

GIVES 4D