Physics in relation to Technology and Society

The applications of physics are playing a key role in the development of technology. Some of the major technologies based on the applications of physics are:

Physics Concepts and Technology – Uses to mankind

X-Rays:

1. using in radiotherapy,
2. in detecting fractures or dislocations in bones,
3. in studying Crystal Systems,
4. in industries to check the uniform thickness of metal sheets and flaws in machines, etc.

LASER:

1. using in optical fibre communication,
2. using in the 3-D image(Holography),
3. in LIDAR technology,
4. using in Meteorology,
5. in Medical treatments like eye surgery, Kidney Stone, etc.,
6. Can be used as Ray Weapon,
7. using in Cinematography,

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Photoelectric Effect:

1. using to make automatic street lights,
2. using to make safety devices like Smoke detector, flame detector, etc.,
3. result in making photocell, which can convert light energy to electrical energy (Our future alternative energy source, if we finish the crude oil on the earth)

Nuclear Fission:

1. using nuclear power plants to generate huge energy (Electricity),
2. to run Nuclear submarines

Super Conductivity:

1. concept used to generate strong magnetic fields.
2. using in Medical Applications like MRI, Enables high resolution imaging with low energy,
3. using in Magnetic Levitation concept leads to the preparation of Bullet trains,
4. using in particle accelerators to generate high energy particles.

Micro Waves:

1. using in RADAR communication – aircraft navigation,
2. in Micro wave oven,
3. in Rotational Spectroscopy to study the atomic and molecular structures,
4. to measure the speed of the Vehicles, Cricket ball, etc.,

Ultra Violet Rays:

1. to study the molecular structure,
2. using in burglar alarms,
3. using to kill germs in minerals,

Gamma Rays:

1. Using to initiate few nuclear reactions,
2. Using in Medicine (low intensity Gamma Rays),
3. Using in Radio therapy for the treatment of tumours and Cancer,

Optics:

1. Concept used in Microscopes and Telescopes,
2. Optical fibres for high speed Internet,

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