Easy
Where is the image formed when an object is placed anywhere in front of a concave lens?
- ABetween the optical center and the principal focus on the same side as the object
- BBetween $F$ and $2F$ on the same side as the object
- CBetween $F$ and $2F$ on the opposite side of the object
- DBetween the optical center and the principal focus on the opposite side of the object
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Similar Questions
Name the spherical mirror used as:
$(a)$ $1.$ Shaving mirror,
$2.$ Rear-view mirror in vehicles,
$3.$ Reflector in searchlights.
$(b)$ Write any three differences between a real and virtual image.
$(a)$ $1.$ Shaving mirror,
$2.$ Rear-view mirror in vehicles,
$3.$ Reflector in searchlights.
$(b)$ Write any three differences between a real and virtual image.
Medium
View SolutionTwo plane mirrors are at right angles to each other. $A$ man stands between them and combs his hair with his right hand. In how many images will he be seen using his left hand?
Easy
View SolutionThe mirror formula describes the relationship between the height of the image and the height of the object.
Easy
View SolutionThe refractive index of dense flint glass is $1.65$ and for alcohol it is $1.36,$ with respect to air. What is the refractive index of dense flint glass with respect to alcohol?
Easy
View SolutionIn Section $I$, the magnification of the image obtained by placing an object at various distances in front of a concave mirror is mentioned, and in Section $II$, the type and size of the image are mentioned. Which of the following is the correct pair connecting Section $I$ and Section $II$?
Section $I$ Section $II$ $1.$ Magnification $(-1)$ $a.$ Real and enlarged $2.$ Magnification $(+5)$ $b.$ Real and same size as object $3.$ Magnification $(-5)$ $c.$ Real and diminished $4.$ Magnification $(-0.5)$ $d.$ Virtual and enlarged
| Section $I$ | Section $II$ |
| $1.$ Magnification $(-1)$ | $a.$ Real and enlarged |
| $2.$ Magnification $(+5)$ | $b.$ Real and same size as object |
| $3.$ Magnification $(-5)$ | $c.$ Real and diminished |
| $4.$ Magnification $(-0.5)$ | $d.$ Virtual and enlarged |
Easy
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