1 .Which instrument used for finding out wind-direction?
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2 .Why is 'Beaufort Scale' used?
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3 .What denotes the smallest temperature?
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4 .A temperature at which both the Fahrenheit and the centigrade scales have the same value?
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5 .Angular separation between two colours of the spectrum depends upon which thing?
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6 .Total internal reflection of light is possible when light enters from which thing?
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7 .What is a suitable unit for expressing electric field strength?
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8 .The unidirectional property of a pn-junction is useful for its use as which thing?
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9 .Thermal decomposition of alkanes is known as which name?
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10 .Which energy of the electron at absolute zero is called?
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11 .What is the wavelength of visible spectrum?
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12 .We cannot see during a fog. why?
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13 .What is meant by 'Underwriting', the term frequently used in financial sector?
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14 .What will be If a pendulum clock be taken from the earth to a revolving artificial satellite?
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15 .Which physical quantities have the same dimensions?
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