A) their eye lenses become weak |
B) they lose the power of accommodation |
C) their eyeballs become too short |
D) their eye-lenses lose their magnifying power |
B) they lose the power of accommodation |
1). The sky appears blue because
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2). To an astronaut, the outer space appears
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3). In upper space, astronauts
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4). The sun appears deep orange-red before it sets because
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5). Soap bubbles show multiple colours when viewed in white light because of
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6). The technique of recording and reproducing three-dimensional images of objects is known as
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7). When a wave goes from one place to another, it transports
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8). The pitch (or shrillness) of a sound is determined by its
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9). A woman's voice is shriller than a man's due to
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10). The loudness of a sound wave is determined by its
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