Popular Questions
- two plane mirrors make an angle of 120
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- as an object is moved from the center
- as an object is moved from a distant location
- the image of an erect candle
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- a man stands with his nose 8 cm
- figure
- a concave spherical mirror has a focal length
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- a concave spherical mirror has a focal leght
- an erect object is located on the central
- an object O in air is in front
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- a concave refracting surface
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- a convex spherical surface with radius r
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- an erect object is placed on the central
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- an object is 30 cm in front of a converging
- let p denote the object lens distance
- a camera with a lens of focal length
- a hallow lens is made of thin glass
- the object lens distance for a certain
- an erect object is 2f in front
- an ordinary magnifying glass
- the sun substends 0.5 as seen from earth
- an object is in front of a converging
