1.

Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror. {:("Column 1","Column 2"),((A)m=-2,"(a) Convex mirror"),((B)m=-(1)/(2),"(b) Concave"),((C)m=+2,"(c) Real image"),((D)m=+(1)/(2),"(d) Virtual image"):}

Answer»

`Ararra and C, Brarr a and d, C rarr a and b, Drarrc and d`
`A RARRA and d, B rarr b and c, C rarr b and d, D rarrb and c`
`Ararr c and d, B rarr b and d, C rarr b and c, D rarr a and d`
`A rarrb and c, B rarr b and c, C rarr b and d, D rarr a and d`

Solution :When the value of m is positive, the image formed is virtual and erect, whereas when m is negative the image formed is real and inverted. When the MAGNITUDE of the MAGNIFICATION is greater than `1(m|gt1)` then the image is magnified whereas when the magnitude of the magnification is lesser than `1(|m|lt1)` a diminished image is formed. A concave mirror can form real as well as virtual image, and also it can form diminished as well as magnified image. The convex mirror always forms virtual image of diminished size. Thus, the correct match is: `Ararrb and c, Brarrb and c, C rarrb and d, D rarra and d`


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