
Assertion: X-ray travel with the speed of light.
Reason: X-rays are electromagnetic rays.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true but R is false
D. A and R are false
Answer
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Hint: In order to answer this question, we have to apply the concept of properties of X-ray and then after analysing the assertion statement and its corresponding reason we can arrive at the correct conclusion.
Complete step by step solution:
In 1895, Wilhelm Conrad Röntgen discovered X-rays when he noticed a fluorescent effect on a screen some distance from a discharge tube. It was soon found that X-rays could penetrate human tissue, making them a valuable diagnostic tool.
In the early days of electricity, some physicists thought that X-rays must be a type of electrical current. They were wrong. X-rays are a type of electromagnetic radiation, like light waves, radio waves, and microwaves. A type of electromagnetic radiation, X-rays are produced by high-energy electrons colliding with a metal target. They are used in a variety of medical and dental procedures.
So, it is clear from the above information that assertion and reason both are correct.
Hence, option A is the correct answer.
Additional information: X-rays have variety of uses and some of them are listed below;
Medical use: X-rays are used to image the inside of the body in a process called radiography. They can be used to diagnose a range of medical conditions, including broken bones, cancer, and heart disease.
Dental use: X-rays are also used in dentistry to examine teeth and diagnose problems such as cavities.
Note: X-rays are a type of electromagnetic radiation that has a very short wavelength and travels with the speed of light. This means that they can penetrate materials such as skin, muscle and bone. X-rays are used to take images of the inside of the body, for example to diagnose medical conditions.
Complete step by step solution:
In 1895, Wilhelm Conrad Röntgen discovered X-rays when he noticed a fluorescent effect on a screen some distance from a discharge tube. It was soon found that X-rays could penetrate human tissue, making them a valuable diagnostic tool.
In the early days of electricity, some physicists thought that X-rays must be a type of electrical current. They were wrong. X-rays are a type of electromagnetic radiation, like light waves, radio waves, and microwaves. A type of electromagnetic radiation, X-rays are produced by high-energy electrons colliding with a metal target. They are used in a variety of medical and dental procedures.
So, it is clear from the above information that assertion and reason both are correct.
Hence, option A is the correct answer.
Additional information: X-rays have variety of uses and some of them are listed below;
Medical use: X-rays are used to image the inside of the body in a process called radiography. They can be used to diagnose a range of medical conditions, including broken bones, cancer, and heart disease.
Dental use: X-rays are also used in dentistry to examine teeth and diagnose problems such as cavities.
Note: X-rays are a type of electromagnetic radiation that has a very short wavelength and travels with the speed of light. This means that they can penetrate materials such as skin, muscle and bone. X-rays are used to take images of the inside of the body, for example to diagnose medical conditions.
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