Question

The image of a candle flame placed at a distance of 30 cm from a mirror is formed on a screen placed in front of the mirror at a distance of 60 cm from its pole. What is the nature of the mirror?

Answer 1

Answer:

The image formed by the mirror is inverted.

Answer 2

★ Question:-

The image of a candle flame placed at a distance of 30 cm from a mirror is formed on a screen placed in front of the mirror at a distance of 60 cm from its pole. What is the nature of the mirror?

★Answer:-

Given :

u = - 30 cm

v = 60 cm

h=2.4 cm

Solution :

Using mirror formula,

1/f = 1/v-1/u

➡1/f = 1/60 - (1/-30)

1/f = 1/60+ 1/30

➡ 1/f = 3/60

→ 1/f = 1/20

➡ f = 20 cm

Magnification, M = v/u = Height of image/ height of object

⇒ v/u = 60/-30

➡v/u = h'/2.4

➡ h'= -60/30 x 2.4

→ h¹ = - 4.8 cm

Hence, The required height of the image is -4.8 cm

The image formed by the mirror is inverted.

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