Question
How can a bundle of optical fibers be used? Explain.

Answer

Bundles of optical fibers can be used in many ways. Optical fibers are extensively used for transmission and receiving of electrical signals, which are converted into light by suitable transducers. It is clear that optical fibers can also be used for transmitting optical signals. For example, they are used as 'light pipes' for visual observation of internal organs, such as the oesophagus, stomach and intestines.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Two metallic wires A and B made from same substance have equal lengths and their cross-sections are in the ratio $1: 2$. They are joined in (i) series (ii) parallel. In both the above combinations, compare the drift velocities of electrons in the two wires.
The weather report reads, "Temperature 20°C : Relative humidity 100%". What is the dew point?
Find the neutral temperature and inversion temperature of a copper-iron thermocouple if the reference junction is kept at 0°C. Use the data in the table.
 
Metal with
a
b
lead (Pb)
$\mu\text{V}/^\circ\text{C}$
$\mu\text{V}/^\circ(\text{C})^2$
Aluminium
-0.47
0.003
Bismuth
-43.7
-0·47
Copper
2.76
0·012
Gold
2.90
0.0093
Iron
16.6
-0.030
Nickel
19.1
-0.030
Platinum
-1.79
-0.035
Silver
2.50
0.012
Steel
10.8
-0.016
 
Suppose the amplitude of a simple pendulum having a bob of mass m is $\theta_0.$ Find the tension in the string when the bob is at its extreme position.
Is it possible to add two vectors of unequal magnitudes and get zero? Is it possible to add three vectors of equal magnitudes and get zero?
Show that there can be no net charge in a region m which the electric field is uniform at all points.
A circular coil of 25 turns and radius 6.0 cm, carrying a current of 10 A, is suspended vertically in a uniform magnetic field of magnitude 1.2 T. The field lines run horizontally in the plane of the coil. Calculate the force and the torque on the coil due to the magnetic field. In which direction should a balancing torque be applied to prevent the coil from turning?
What should be the value of R in the figure. for which the current in it is zero?

In a cylindrical conductor, a direct current is flowing. Is there any electric field inside the conductor?
The average kinetic energy of molecules in a gas at temperature T is 1.5kT. Find the temperature at which the average kinetic energy of the molecules of hydrogen equals the binding energy of its atoms. Will hydrogen remain in molecular from at this temperature? Take k = 8.62 × 10-5eVK-1.