Last Updated On [03-11-2023]
A 2.0 cm tall object is placed 15 cm in front of a concave mirror of focal length 10 cm. What is the size and nature of the image
a)
4 cm, real
b)
4 cm, virtual
c)
1.0 cm, real
d)
None of these
A 2.0 cm tall object is placed 15 cm in front of a concave mirror of focal length 10 cm. What is the size and nature of the image
a)
4 cm, real
b)
4 cm, virtual
c)
1.0 cm, real
d)
None of these
Question ID - 152355 :-
A 2.0 cm tall object is placed 15 cm in front of a concave mirror of focal length 10 cm. What is the size and nature of the image
a)
4 cm, real
b)
4 cm, virtual
c)
1.0 cm, real
d)
None of these
|
A 2.0 cm tall object is placed 15 cm in front of a concave mirror of focal length 10 cm. What is the size and nature of the image |
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|
a) |
4 cm, real |
b) |
4 cm, virtual |
c) |
1.0 cm, real |
d) |
None of these |
(a)
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According to New Cartesian sign convention,
Object distance 
Focal length of a concave lens, 
Height of the object 
According to mirror formula, 
This image is formed 30 cm from the mirror on the same side of the object. It is a real image
Magnification of the mirror, 
Negative sign shows that image is inverted
The image is real, inverted, of size 4 cm at a distance 30 cm in front of the mirror
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The numerical aperture for a human eye is of the order of |
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