JAMB - Physics (1987 - No. 27)
If an object is placed in front of two mirrors inclined at 90o, how many images will be formed?
five
four
three
two
解释
n = \(\frac{360}{\theta}\) - 1
= \(\frac{360}{90}\) - 1
= 3 images
= \(\frac{360}{90}\) - 1
= 3 images