Trusted by millions of Kenyans
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Calculate the height of a building 300 m away from a pinhole camera which produces an image 2.5 cm high if the distance between the...

Calculate the height of a building 300 m away from a pinhole camera which produces
an image 2.5 cm high if the distance between the pinhole and the screen is 5.0 cm.

Answers


Moraa
Object distance = 300 m, image height = 2.5 cm, image distance = 5.0 cm.
Object height/ image height = object distance/ image distance
Object height = (30,000 × 2.5) / 5.0 = 15,000 cm = 150 m.
Moraa orina answered the question on April 5, 2018 at 06:53

Answer Attachments

Exams With Marking Schemes

Related Questions