MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Cutting of Thin Lenses

Focal length ...

Question

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

A

10 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

2.5 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

5 cm

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

7.5 cm

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 5 cm

Suggest Corrections

thumbs-up

1

Similar questions

Q. 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

Q. A lens is made of flint glass (refractive index

= 1.5)

. When the lens is immersed in a liquid of refractive index

1.25

, the focal length :

Q. A thin convex lens of refractive index

1.5

20 c m

focal length in air. If the lens is completely immersed in a liquid refractive index

1.6

, its focal length will be :

Q. A diverging lens of focal length

20 c m

having refractive index

1.5

is immersed in a liquid of refractive index

3

. The focal length and nature of the lens in liquid is

Q. The focal length of a biconvex lens of refractive index 3/2 is 18 cm .Its focal length in meters when immersed in a liquid of refractive index 4/3 is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Playing with Thin Lenses

PHYSICS

Watch in App

explore_more_icon

Explore more

Cutting of Thin Lenses

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon