Last Updated On [03-11-2023]
A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?
a)
2 cm
b)
6 cm
c)
4 cm
d)
1 cm
A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?
a)
2 cm
b)
6 cm
c)
4 cm
d)
1 cm
Question ID - 152376 :-
A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen?
a)
2 cm
b)
6 cm
c)
4 cm
d)
1 cm
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A convex lens is placed between object and a screen. The size of object is 3 cm and an image of height 9 cm is obtained on the screen. When the lens is displaced to a new position, what will be the size of image on the screen? |
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|
a) |
2 cm |
b) |
6 cm |
c) |
4 cm |
d) |
1 cm |
|
(d) Form displacement method size of object, Here,
Or |
= 3 cm, 
= 9 cm
3 = 
= 1 cmNext Question :
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An object is viewed through a compound microscope and appears in focus when it is 5 mm away from the objective lens. When a sheet of transparent material 3 mm thick is placed between the objective and the microscope, the objective lens has to be moved 1 mm to bring the object back into the focus. The refractive index of the transparent material is |
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