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NDA PREVIOUS YEARS-MODERN PHYSICS-MCQ
- Which one of the following is the most effective carrier of informatio...
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- Which one of the following is not the characteristic of X-rays?
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- How long does it take light from the sun to reach to the earth (approx...
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- Which of the following nuclei undergo fission when struck by thermal ...
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- Which one of the following is correct ? The wavelength of the X-ray...
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- Electromagnetic radiations are emitted by which of the following ?
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- Which one among the following radiations carries maximum energy?
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- The neutron, proton, electron and alpha particle are moving with equal...
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- Which one of the following is a good conductor of electricity?
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- Which one of following is the unit of activity of a radioactive source...
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- Which of the following is the range of frequency used in optical commu...
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- Propagation of light quanta may be described by
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- Consider the following four particles : 1. Alpha particle 2. Prot...
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- If an alpha-particle is projected normally through a uniform magnetic ...
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- Which one of the following statement is correct?
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- The ratio of velocity of X-rays to that of gamma rays
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- When X-rays are produced
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- Internet communication uses optical fibre cables because of
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- A stable nucleus (light with A lt 10) has
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- The penetrating power of X-rays can be increased by
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