The speed of light is ______.
A. 280,000 km/s
B. 300,000 km/s
C. 320,000 km/s
D. none of these
The fluid part of blood is known as ______.
A. plasma
B. platelets
C. White blood cells
D. Red blood cells
Sound waves are ______ waves.
A. Transverse
B. Electromagnetic
C. Longitudinal
D. none of these
Instrument used for measuring very high temperature is _____.
A. Pyroscope
B. Pyrometer
C. Seismograph
D. Xylometer
When white light is passed through a prism, it splits into ______ colours.
A. 5
B. 6
C. 7
D. 8
Which from the following is true for “Sound”?
A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids
CNG is the abbreviation of ______?
A. Converted Natural Gas
B. Conduced Natural Gas
C. Conducted Natural Gas
D. Compressed Natural Gas
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