ENTRANCE TEST – 2011 Multiple Questions and Answers.
Exercise Questions ::
PHYSICS
| 11. | A wire is stretched by a force which causes an extension. The energy is stored in it only when: |
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| A. | The extension of wire is proportional to force applied |
| B. | The cross-section area of the wire remains constant |
| C. | The wire is not stretched beyond its elastic limit |
| D. | The weight of wire is negligible |
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| 12. | Which statement is correct: |
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| A. | Elasticity is that property of body which enables body to regain its original dimension |
| B. | Elasticity is that property of a body that does not allow it to return to its original shape |
| C. | Elasticity is that property of a body that allows it to retain its original shape and dimension after the stress is removed. |
| D. | Elasticity is that property of a body that obeys Hooke’s law. |
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| 13. | For a gas of volume V in its equilibrium state, if the pressure does change with time then total kinetic energy of gas is constant because |
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| A. | Collisions between gas molecules occur |
| B. | Collisions between gas molecules occur linearly |
| C. | Collisions must be elastic |
| D. | Collisions must be inelastic |
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| 14. | Which of the following is the proper way to study the sinusoidal waveform of the voltage? |
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| A. | Voltage is connected to X input and the time base is switched off |
| B. | Voltage is connected to Y input and the time base is switched on |
| C. | Voltage is connected to Y input and the time base is switched off |
| D. | Voltage is connected to X input and the time base is switched on |
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| 15. | Electron gun in cathode ray oscilloscope contains |
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| A. | Filament, cathode, grid, anodes |
| B. | Cathode, anode, capacitor, screen |
| C. | Emitter, base, collector |
| D. | Resistance, capacitor, inductor |
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