1800-150-456-789
FlagBACK
Flag Wave Optics> A​ parallel beam of light enters a clear ...
question mark

A​ parallel beam of light enters a clear plastic bead 2.5cm diameter and refractive index of 1.44 . The point beyond the bead these is focused is​

Kamesh Woonna , 9 Years ago
Grade 12th pass
anser 2 Answers
Nitesh Narayana

Last Activity: 8 Years ago

ITS FOCUSED AT .6336cm from the centre. first the convex side of the bead focuses it at 2.045cm from centre this acts as object for the concave side of the bead which in the end focuses on .6336cm

Shardul

Last Activity: 6 Years ago

The correct answer is 0.795 cm. 
Using formula of refraction by spherical lenses , it becomes easy to get answer. 
Kuldeep Kumar 
Air 56 in jee 2017
 

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on Wave Optics

question mark
An oscillator consists of a block of mass 512 g connected to a spring. When set into oscillation with amplitude 34.7 cm, it is observed to repeat its motion every 0.484 s. Find (a) the period, (b) the frequency, (c) the angular frequency, (d) the force constant, (e) the maximum speed, and ( f ) the maximum force exerted on the block.
Wave Optics
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
Wave Optics
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
A PLANE TRANSMISSION GRATING HAS 45000 LINES. DETERMINE ITS RESOLVING POWER IN THE SECOND ORDER FOR WAVELENGTH OF 5000A.
Wave Optics
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
If V-numer of a multi mode fiber is 3. Calculate the no.of modes if it is step index and graded index fiber multimode fiber (rounded off)?
Wave Optics
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
What is the difference between angular position and angular fringe width... I always get confused .
Wave Optics
2 Answer Available

Last Activity: 2 Year ago(s)