11. How can the height of a person who is six feet tall, be expressed (approximately) in nanometre?
(A) 183 × \(10^{6}\)nm
(B) 234 × \(10^{6}\)nm
(C) 183 × \(10^{7}\)nm
(D) 181 × \(10^{7}\)nm
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12. A nanometre is equal to
(A) \(10^{-6}\) cm
(B) \(10^{-7}\) cm
(C) \(10^{-8}\) cm
(D) \(10^{-9}\) cm
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13. Ampere is the unit of
(A) Voltage
(B) Electric current
(C) Resistance
(D) Power
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14. Megawatt is the measuring unit of power which is
(A) Generated
(B) Consumed
(C) Saved
(D) Lost in transmission
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15. Which one of the following SI unit is not correctly matched?
(A) Work – Joule
(B) Force – Newton
(C) Mass – kg
(D) Pressure – Dyne
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16. Which one of the following is not correctly matched?
(A) Knot – Measure of speed of ship
(B) Nautical mile – Unit of distance used in navigation
(C) Agnstrom – Unit of wavelength of light
(D) Light year – Unit of measuring time
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17. How many watts are there in a horsepower?
(A) 1000
(B) 750
(C) 746
(D) 748
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18. ‘Joule’ is related to energy in the same way as ‘Pascal’ is related to
(A) Mass
(B) Pressure
(C) Density
(D) Purity
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19. One micron is equal to
(A) \(\frac{1}{10}\) mm
(B) \(\frac{1}{100}\) mm
(C) \(\frac{1}{1000}\) mm
(D) \(\frac{1}{10,000}\) mm
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20. One micron represents a length of
(A) \(10^{-6}\) cm
(B) \(10^{-4}\) cm
(C) 1 mm
(D) 1 m
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