Physics, asked by ikechukwuigiligl80, 10 days ago

A person looks at her image in a spiny spherical decoration when her face is 30cm from the surface of the decoration.The diameter of the decoration is 20cm.Find the position of the image

Answers

Answered by ojasmhatre2609
0

Answer:

Explanation:

The only mirror that forms the magnified virtual image is the concave mirror.

m= -v/u = 2 = v= -2u

And, u = -20cm

1/v + 1/u = 1/F

1/40 + -1/20 = 1/F

f = -40cm

Hence, radius of curvature is R = 2f = 80cm and the mirror is concave.

Answered by zubiya0506patel
0

Answer:

Answer

The only mirror that forms the magnified

virtual image is the concave mirror.

m = -v/ u = 2 = v = -2u

And, u = -20cm

1/ v + 1/ u = 1/ F

1/40 + -1/20 = 1/ F

f = -40cm

Hence, radius of curvature is R = 2f = 80cm

and the mirror is concave.

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