Question

)find the location ot the image por an 0calion e object locatd 20cm rom a Concaue miccor wrth focad length of 5cm. Tf the object is 8cm high, how high s 4ho imo? Show the Pay& Froan where wil) 4ha image form in the diagram Ts thu imace larger or smaller thon the objet? T the image upright or invert ??image real or virtual?

Answer 1

Given data the image for an object locate 20 cm form a concave mirror with local length of 15 cm. If the object is 8 cm mirror formula 1/f = 1/v + 1/u u = -20 cm ho = + 8 cm f = -15cm 1/2 = 1/f - 1/4 = (1/-5) - (1/20) - 1/15 v = -59.99 cm magnification m = -v/u = hi/no hi = -v h_0/4 = (-(- 59.99 times 8) 1 (-20) h_i = -23.99 Cm image is larger image is inverted image is real