MyQuestionIcon

1

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

Combinations of Lenses & Mirrors

A double conv...

Question

A double convex thin lens made of glass of refractive index 1.6 has radii of curvature 15 cm each. The focal length of this lens when immersed in a fluid of refractive index 1.63 is

A

- 416.67 cm

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

B

25 cm

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

C

125 cm

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

D

+ 250 cm

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

Open in App

Solution

The correct option is A
- 416.67 cm

Refractive index of glass, μ₂ =1.6 , Refractive index of liquid, μ₁ =1.63

R₁= 15 cm , R₂= -15 cm

The focal length of this lens when immersed in a fluid is :

Suggest Corrections

thumbs-up

0

Similar questions

Q. A double convex thin lens made of glass of refractive index

1.6

has radii of curvature

15 c m

each. The focal length of this lens when immersed in a liquid of refractive index

163

Q. A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1.65. Its focal length is nearly

Q. A thin double convex lens has radii of curvature each of magnitude 40 cm and is made of glass with refractive index 1.65. Its focal length is nearly

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. The radii of curvature of a double convex lens are

15 c m

30 c m

and the refractive index of its glass is

1.5

. Calculate the focal length of the lens.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Combination of Lenses and Mirrors

PHYSICS

Watch in App

explore_more_icon

Explore more

Combinations of Lenses & Mirrors

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon