X-rays were discovered by

Options

A. Becqueral
B. Roentgen
C. Marrie Curie
D. Von Laue

Explanation

To solve the question "X-rays were discovered by," we will follow these steps:

### Step 1: Identify the Question
We need to determine who discovered X-rays from the given options.

### Step 2: Analyze the Options
The options provided are:
1. Becquerel
2. Rohentgen
3. Marie Curie
4. Wohn law

### Step 3: Recall Historical Facts
We should recall historical facts regarding the discovery of X-rays. X-rays were discovered in the late 19th century.

### Step 4: Identify the Correct Answer
Wilhelm Roentgen is known for the discovery of X-rays in 1895 while he was experimenting with cathode rays. This is a well-documented historical fact.

### Step 5: Confirm the Answer
Among the options, option 2, "Rohentgen," is the correct answer as it refers to Wilhelm Roentgen.

### Final Answer
X-rays were discovered by Wilhelm Roentgen in the year 1895.

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