1.

Plz ans it?????????????????????/

Answer»

focal length is given as1/f = 1/v - 1/uhereu = -40 cmv = -100 cmso,1/f = (1/-100) - (1/-40)1/f = (-2+5)/2001/f = 3/200or focal lengthf = 200/3 CM = 66.67 CMAND POWER of lens[here f = 66.67 cm = 0.66m]P = 1/f = 1/0.66= 1.51 DMARK ME BRAINLIEST



Discussion

No Comment Found

Related InterviewSolutions