How are X-rays produced? State their properties and uses.

1.	How are X-rays produced? State their properties and uses.
Answer» Production: 1. German physicist W. C. Rontgen discovered X-rays while studying cathode rays. Hence, X-rays are also called Rontgen rays. 2. Cathode ray is a stream of electrons emitted by the cathode in a vacuum tube. 3. X-rays are produced when cathode rays are suddenly stopped by an obstacle. Properties: 1. They are high energy EM waves. 2. They are not deflected by electric and magnetic fields. 3. X-rays ionize the gases through which they pass. 4. They have high penetrating power. 5. Their over dose can kill living plant and animal tissues and hence are harmful. Uses: 1. Useful in the study of the structure of crystals. 2. X-ray photographs are useful to detect bone fracture. X-rays have many other medical uses such as CT scan. 3. X-rays are used to detect flaws or cracks in metals. 4. These are used for detection of explosives, opium etc.

Answer»

Production:

1. German physicist W. C. Rontgen discovered X-rays while studying cathode rays. Hence, X-rays are also called Rontgen rays.

2. Cathode ray is a stream of electrons emitted by the cathode in a vacuum tube.

3. X-rays are produced when cathode rays are suddenly stopped by an obstacle.

Properties:

1. They are high energy EM waves.

2. They are not deflected by electric and magnetic fields.

3. X-rays ionize the gases through which they pass.

4. They have high penetrating power.

5. Their over dose can kill living plant and animal tissues and hence are harmful.

Uses:

1. Useful in the study of the structure of crystals.

2. X-ray photographs are useful to detect bone fracture. X-rays have many other medical uses such as CT scan.

3. X-rays are used to detect flaws or cracks in metals.

4. These are used for detection of explosives, opium etc.

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