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ENTRANCE TEST – 2013 Multiple Questions and Answers.
| 21. | A solenoid is cut into two halves. Magnetic induction due to same current in each half will be: | ||
| A. | Half of the original | ||
| B. | Double of the origina | ||
| C. | Same as original | ||
| D. | Four times of the original | ||
| 24. | Helium-neon lasers are used for the: | ||
| A. | Precise measurement of range finding | ||
| B. | Optical fiber communication systems | ||
| C. | Surveying for construction of tunnels | ||
| D. | Welding detached bone of body | ||
| 25. | What is the type of characteristic X-ray photon whose energy is given by relation ‘hf = EM – EK’? | ||
| A. | K – alpha | ||
| B. | M – alpha | ||
| C. | K – beta | ||
| D. | M – beta | ||
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