6.

Light year is a measurement of
A. speed of aeroplanes B. speed of light
C. Stellar distances D. speed of rockets
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
7.

Very small time intervals are accurately measure by
A. White dwarfs B. Quartz clocks
C. Atomic clocks D. Pulsars
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.
8.

kilohertz is a unit which measures
A. power used by a current of one ampere B. electromagnetic radio wave frequencies
C. voltage D. electric resistance
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
9.

One kilometre is equal to how many miles?
A. 0.84 B. 0.5
C. 1.6 D. 0.62
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
10.

'Bar' is the unit of
A. temperature B. heat
C. atmospheric pressure D. current
Answer and Explanation
Answer:C
Explanation: No answer description available for this question.