State two differences between a real image and a virtual image.
Refraction through a Lens
Original Khojo Papers practice question — not from a past board paper.
2 D
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Power = 1 ÷ 0.5 m = 2 dioptres.
From the same topic and chapter, at a similar level.
State two differences between a real image and a virtual image.
Refraction through a Lens
A diverging lens has a focal length of 20 cm. Find its power.
Refraction through a Lens
An object is placed 20 cm from a converging lens of focal length 15 cm. Find the position, nature and magnification of the image.
Refraction through a Lens
State two differences between the image formed by a converging lens and that formed by a diverging lens for a real object.
Refraction through a Lens
Find the power of a converging lens of focal length 25 cm.
Refraction through a Lens
An object 3 cm tall is placed 15 cm from a converging lens of focal length 10 cm. Find the position, size and nature of the image.
Refraction through a Lens