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ENTRANCE TEST – 2008 Multiple Questions and Answers.
| 51. | Objects cannot be accelerated to the speed of light in free space is consequence of | ||
| A. | mass variation. | ||
| B. | Energy mass relationship. | ||
| C. | Interia forces | ||
| D. | All of these | ||
| 52. | A certain radioactive mass decays from 64 gm to 2 gm in 20 days. What is its half-life? | ||
| A. | 5 dayels. | ||
| B. | 4 days. | ||
| C. | 10 days. | ||
| D. | 6 days. | ||
| 54. | A force 2i + j has moved its point of application from (2,3) to (6,5). What is work done? | ||
| A. | -10 | ||
| B. | +10 | ||
| C. | -18 | ||
| D. | +18 | ||
| 55. | he escape velocity corresponds to __________ energy gained by body, which carries it to an infinite distance from the surface of ear | ||
| A. | Total. | ||
| B. | Potential. | ||
| C. | Initial kinetic. | ||
| D. | None of these | ||
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