Question 5.
(a) Explain the difference between a real image and a virtual image for mirrors.
[4 marks]
(b) An object with height h_(o) sits near a spherical mirror with |f|=40cm. The image is inverted and has height h_(i)=0.2h_(o).
Is the image real or virtual?
[3 marks]
(c) Justify your answer for the image type.
[4 marks]
(d) Is the mirror concave or convex?
[3 marks]
(e) Justify your answer for the mirror type.
[4 marks]
(f) Find the distance in cm of the object from the mirror.
[4 marks]
(g) Find the distance in cm of the image from the mirror.
[4 marks]
(h) Suppose you could increase the radius of curvature of the mirror continuously while leaving the object distance constant. At what focal length would the image cease to be inverted?
[4 marks]
Question 5.
(a) Explain the difference between a real image and a virtual image for mirrors. [4 marks]
b) An object with height h. sits near a spherical mirror withf= 40 cm The image is inverted and has height hi = 0.2 ho.
Is the image real or virtual?
[3 marks]
(c) Justify your answer for the image type
[4 marks]
(d) Is the mirror concave or convex?
[3 marks]
(e) Justify your answer for the mirror type
[4 marks]
(f) Find the distance in cm of the object from the mirror.
[4 marks]
(g) Find the distance in cm of the image from the mirror.
[4 marks]
(h) Suppose you could increase the radius of curvature of the mirror con- tinuously while leaving the object distance constant. At what focal length would the image cease to be inverted? [4 marks]