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प्रश्न
Which type of mirror is used in the following?
Street lights
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उत्तर
Convex mirror
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संबंधित प्रश्न
Why do we prefer a convex mirror as a rear-view mirror in vehicles?
What type of image/images are formed by:
a concave mirror?
Which mirror has a wider field of view?
State whether the following statement is true or false:
A diverging mirror is used as a rear-view mirror.
What type of mirror should be used as a shop security mirror?
State three characteristics of the image formed by a convex mirror.
The radius of curvature of a convex mirror used as a rear view mirror in a moving car is 2.0 m. A truck is coming from behind it at a distance of 3.5 m. Calculate
- position and
- size of the image relative to the size of the truck.
- What will be the nature of the image?
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
A shop security mirror 5.0 m from certain items displayed in the shop produces one-tenth magnification.
- What is the type of mirror?
- What is the radius of curvature of the mirror?
An object is placed at a distance of 100 cm from each of the above lenses A and B. Calculate
- image distance, and
- magnification, in each of the two cases.
The focal length of a convex mirror is equal to its radius of curvature.
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
When the reflecting surface is curved outwards the mirror formed will be ______.
The mirror used as rear-view mirror in vehicles ______.
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between the focus and device, image formed is enlarged and on the same side as that of the object.
The field of view is maximum for ______.
Why a convex mirror is preferred for rearview mirrors in cars?
Match the following.
| Column I | Column II |
| Convex mirror | Radio telescopes |
| Parabolic mirror | Rear-view mirror |
| Snell’s law | Kaleidoscope |
| Dispersion of light | sin i/sin r =μ |
| Refractive index | Rainbow |
