ENTRANCE TEST – 2012 Multiple Questions and Answers.
Exercise Questions ::
PHYSICS
22. | The concentration of a sugar solution can be determined by |
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| A. | Un-polarized light |
| B. | Plane polarized light |
| C. | Interference of light |
| D. | Diffraction of light |
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24. | The image of an object placed inside the focal length of a convex lens will be largest and clearest when it is at the |
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| A. | Less than 25 cm |
| B. | Near point |
| C. | Greater than 25 cm |
| D. | Infinity |
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25. | A simple harmonic oscillator has a time period of 10 seconds. Which equation rotates its acceleration ‘a’ and displacement ‘x’? |
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| A. | a = -2 x |
| B. | a = -(20π)x |
| C. | a = -( 2π/ 10 ) 2 x |
| D. | D) a = -(20π)2x |
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