Question
What is the nature of image formed in:
a. Concave lens
b. Convex lens
Also, give one use of each lens.[3 MARKS]
a. Concave lens
b. Convex lens
Also, give one use of each lens.[3 MARKS]
Answer:
:
Concave lens: 1 Mark
Convex lens: 1 Mark
Use: 1 Mark
Convex lens:A converging lens can produce both virtual and real image. It depends on the position of the object placed in front of the lens.
Concave lens: A diverging lens can only produce a virtual image. After refraction from the lens, the rays of light never meet.
Use of convex lens: A refracting telescope uses two convex lenses.
Use of concave lens:Most high-quality cameras, telescopes and binoculars use concave lenses to improve the quality of the images they provide.
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:
Concave lens: 1 Mark
Convex lens: 1 Mark
Use: 1 Mark
Convex lens:A converging lens can produce both virtual and real image. It depends on the position of the object placed in front of the lens.
Concave lens: A diverging lens can only produce a virtual image. After refraction from the lens, the rays of light never meet.
Use of convex lens: A refracting telescope uses two convex lenses.
Use of concave lens:Most high-quality cameras, telescopes and binoculars use concave lenses to improve the quality of the images they provide.
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