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प्रश्न
How are X-rays produced?
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उत्तर
When a beam of cathode rays is made to fall upon hard metallic targets like tungsten, X-rays are produced.
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संबंधित प्रश्न
Give electron dot diagram of the following:
methane
State the following is a reduction reaction or oxidation reaction.
\[\ce{Pb -> Pb^2+ + 2e-}\]
State the following is a reduction reaction or oxidation reaction.
\[\ce{Cu -> Cu^2+}\]
Name the following:
The shell closest to the nucleus of an atom
Give reason
Argon does not react.
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
What do you understand by redox reactions?
Identify the following reaction as either oxidation or reduction:
Fe3+ + e- → Fe2+
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Complete the table give below.
| Element |
Atomic number |
Electron distribution | Valence electrons | Lewis dot structure |
| Lithium | 3 | 1s22s1 | ||
| Boron | 5 | 1s22s22p1 | ||
| Oxygen | 8 | 1s22s22p4 |
