A) Communication |
B) Weaving |
C) Musical instruments |
D) Food industry |
A) Communication |
1). Which of the following are most penetrating?
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2). Old-written material, which cannot be read easily, can be read by :
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3). Mesons are found in :
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4). The dark lines in the solar spectrum are due to :
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5). Which of the following is/are examples of electromagnetic waves? 1. X-rays 2. Ultrasonics 3. B-rays 4. a-rays
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6). A moderator is used in nuclear reactors in order to :
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7). In an atomic nucleus, neutrons and protons are held together by :
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8). The wavelength of S-rays is of the order of :
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9). The correct sequence of various regions in absorption spectrum is :
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10). Which of the following is used as a moderator in nuclear reactor?
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