A) 2.4 |
B) 3.4 |
C) 4.4 |
D) 5.4 |
A) 2.4 |
1). Planets are
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2). Natural radioactivity was discovered by
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3). Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? Diffusion Refraction Internal reflection
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4). One should not connect a number of electrical appliances to the same power socket because
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5). Large astronomical telescopes always use as objective
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6). Identify the vector quantity from the following
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7). Sound of frequency below 20 Hz is called
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8). RADAR is used for
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9). Materials for rain-proof coats and tents owe their water-proof properties to
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10). Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
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