Why do we prefer a convex mirror as a rear-view mirror in vehicles?
- AIt produces a real and inverted image.
- BIt produces a virtual,erect,and diminished image with a wider field of view.
- CIt produces a magnified image of the objects.
- DIt is cheaper than other mirrors.
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Similar Questions
Name the mirror that can give an erect and enlarged image of an object.
Easy
View SolutionYou are given kerosene,turpentine,and water. In which of these does the light travel fastest? Use the information given in the table below.
Material medium Refractive index Water $1.33$ Kerosene $1.44$ Turpentine oil $1.47$
| Material medium | Refractive index |
| Water | $1.33$ |
| Kerosene | $1.44$ |
| Turpentine oil | $1.47$ |
Medium
View SolutionAn object of size $7.0\, cm$ is placed at $27\, cm$ in front of a concave mirror of focal length $18\, cm$. At what distance from the mirror should a screen be placed,so that a sharp focussed image can be obtained? Find the size and the nature of the image.
Difficult
View SolutionAn object $5.0\, cm$ in length is placed at a distance of $20\, cm$ in front of a convex mirror of radius of curvature $30\, cm$. Find the position of the image,its nature and size.
Difficult
View SolutionFind out,from the table,the medium having the highest optical density. Also,find the medium with the lowest optical density.
Material medium Refractive index Air $1.0003$ Ice $1.31$ Water $1.33$ Alcohol $1.36$ Kerosene $1.44$ Fused quartz $1.46$ Turpentine oil $1.47$ Benzene $1.50$ Crown glass $1.52$ Canada Balsam $1.53$ Rock salt $1.54$ Carbon disulphide $1.63$ Dense flint glass $1.65$ Ruby $1.71$ Sapphire $1.77$ Diamond $2.42$
| Material medium | Refractive index |
| Air | $1.0003$ |
| Ice | $1.31$ |
| Water | $1.33$ |
| Alcohol | $1.36$ |
| Kerosene | $1.44$ |
| Fused quartz | $1.46$ |
| Turpentine oil | $1.47$ |
| Benzene | $1.50$ |
| Crown glass | $1.52$ |
| Canada Balsam | $1.53$ |
| Rock salt | $1.54$ |
| Carbon disulphide | $1.63$ |
| Dense flint glass | $1.65$ |
| Ruby | $1.71$ |
| Sapphire | $1.77$ |
| Diamond | $2.42$ |
Medium
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