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ENTRANCE TEST – 2016 Multiple Questions and Answers.
| 32. | Which one of the following gas is the lasing or active medium in the laser tube? | ||
| A. | Hydrogen | ||
| B. | Helium | ||
| C. | Neon | ||
| D. | Carbon dioxide | ||
| 33. | The target of X-ray tube is made up of which metal? | ||
| A. | Iron | ||
| B. | Nickel | ||
| C. | Brass | ||
| D. | Tungsten | ||
| 34. | The X-rays consists of: | ||
| A. | High energy proton | ||
| B. | High energy electrons | ||
| C. | High energy γ-rays | ||
| D. | High energy photons | ||
| 35. | In Bernoulli’s equation the term 1 2 ρv2 is called: | ||
| A. | K.E. per unit volume | ||
| B. | K.E. | ||
| C. | K.E. per unit area | ||
| D. | K.E. per unit length | ||
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