If the rays from sun converge at distance 12cm in front of a concave m

1.	If the rays from sun converge at distance 12cm in front of a concave mirror. 1 pointWhere should an object be placed so that the size of its image is equal tothat of the object? *O12cm in front of the mirrorbetween 12cm and 6 cm in front of the mirror24cm in front of the mirror6cm in front of the mirror
Answer» Answer: It is given that SUN rays converge at 12 cm. So, focal length of the mirror = F = 12 cm. In case of a concave mirror, the size of IMAGE and object will be same if the object is placed at 2f. HENCE, in this case object must be place at 2f or 2 × 12 = 24 cm. (c)24CM in front of the mirror is the correct answer

If the rays from sun converge at distance 12cm in front of a concave mirror. 1 pointWhere should an object be placed so that the size of its image is equal tothat of the object? *O12cm in front of the mirrorbetween 12cm and 6 cm in front of the mirror24cm in front of the mirror6cm in front of the mirror

Answer»

Answer:

It is given that SUN rays converge at 12 cm.

So, focal length of the mirror = F = 12 cm. In case of a concave mirror, the size of IMAGE and object will be same if the object is placed at 2f. HENCE, in this case object must be place at 2f or 2 × 12 = 24 cm.

(c)24CM in front of the mirror is the correct answer

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