CameraIcon

SearchIcon

MyQuestionIcon

151

You visited us 151 times! Enjoying our articles? Unlock Full Access!

Simple Microscope Angular Magnification

The focal len...

Question

The focal length of field lens is 4.5 cm. Then the equivalent focal length of a Huygens eyepiece is:

A

2.25 cm

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

B

1.5 cm

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

C

3 cm

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

D

2.5 cm

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

Open in App

Solution

The correct option is C 2.25 cm
$f_{H} = \frac{f_{f}}{2}$
Thus, $f_{H} = 2.25$ cm

Suggest Corrections

thumbs-up

0

Similar questions

Q. The effective focal length of Huygens eyepiece is 3cm. The focal power of field lens is

Q. In the case of Huygens eyepiece, the ratio of focal length of eye lens, effective focal length and length of the eyepiece is :

Q. The ratio of effective focal length of Huygens eyepiece and the object distance of its field lens is :

Q. Consider the following two statements A and B and identify the correct choice in the given answers.

A) In Huygens' eyepiece, the two plane surfaces of two plano - convex lenses face towards the eye

B) In Huygens' eyepiece the focal length of the field lens is equal to the focal length of the eye lens

Q. In the case of Ramsdens eyepiece, L is length of eyepiece,

f_{f}

is the focal length of field lens and

f_{e}

is the effective focal length of eyepiece. The ratio ( L :

L_{f} : L_{e}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Simple Microscope

PHYSICS

Watch in App

explore_more_icon

Explore more

Simple Microscope Angular Magnification

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon