Question

# The focal length of a convex lens of glass (μ=1.5) is 2cm. The focal length of the lens when immersed in a liquid of refractive index 1.25 will be :

A
5cm
B
2.4cm
C
1cm
D
4cm
Solution
Verified by Toppr

#### 2
Similar Questions
Q1

A double convex lens made of a material of refractive index 1.5 and having a focal length of 10 cm is immersed in liquid of refractive index 3.0. The lens will behave as

View Solution
Q2

Focal length of a convex lens of refractive index 1.5 is 2cm. Focal length of lens when immersed in a liquid of refractive index 1.25 will be

View Solution
Q3

Focal length of a conves lens of refractive index 1.5 in 2 cm. Focal length of lens when immeraced in a liquid of refractive index of 1.25 will be

View Solution
Q4

A thin equiconvex glass lens of refractive index 1.5 has power of 5D. When the lens is immersed in a liquid of refractive index μ, it acts as a divergent lens of focal length 100cm. The value of μ of liquid is

View Solution
Q5

A thin convergent glass lens μ=1.5 has a power of +5D. When this lens is immersed in a liquid of refractive index μ it acts as a diverging lens of focal length 100 cm. The value of μ must be :

View Solution
Solve
Guides