Science Quiz

21. Abbreviation of CNG
(A) Converted natural gas
(B) Reduced natural gas
(C) Conducted natural gas
(D) Compressed natural gas

22. Which of the following is true for "Sound"?
(A) Sound can not pass through Vacuum
(B) Sound can not travel through gases
(C) Sound can not flow through liquids
(D) Sound can not pass through solids

23. When white light passes through the prism, it splits into __________ colors.
(A) 5
(B) 6
(C) 7
(D) 8

24. 1 nanometer = ?
(A) 10^-3 meter
(B) 10^-6 meter
(C) 10^-9 meter
(D) 10^-12 meter

25. An instrument used to measure a very high temperature,
(A) Piroscope
(B) Pyrometer
(C) Seismograph
(D) Xylometer

26. Sound waves are __________ waves.
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) none of these

27. The vitality of leukocytes is __________ day.
(A) 1
(B) 2
(C) 3
(D) 4

28. The liquid part of the blood is known as
(A) plasma
(B) platelets
(C) Blood cells
(D) hormones

29. X-rays were detected by
(A) Rontgen
(B) Thomson
(C) Rutherford
(D) Becquerel

30. The speed of light is
(A) 280,000 km/s
(B) 300 000 km/s
(C) 320,000 km/s
(D) none of these

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