Question

Let the object distance w=
n 꽃
tits real image is formed on the wall!
= 10 cm. Image distance V= 35 cm
The object should be placed at a distance of (35 - 14 = 21cm) from the wall.
A concave mirror produces an image of a long vertical pin, placed 40 cm from
17 10 35 350
- 35-10-25
the mirror, at the position of the object. Find the focal length of the mirror
[March 2017TSI
Given that, the object distance a = - 40 cm
Image distance = v= - 40 cm
S
From the mirror equation
1 1 T 1 1
1
.. =- 20 cm
s
- 40 – 40 40
A small angled prism of 4° deviates a ray through 2.480. Find the refractive
index of the prism.
[March 2018AP)
(
45
12​

Answer 1

Answer:

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