'Dobson' unit is used for the measurement of
A. Thickness of Earth
B. Thickness of Diamond
C. Thickness of Ozone layer
D. Measurement of Noise
Answer: Option C
A. Thickness of Earth
B. Thickness of Diamond
C. Thickness of Ozone layer
D. Measurement of Noise
Answer: Option C
Newton is SI unit of . . . . . . . .?
A. Weight and Velocity
B. Weight and Force
C. Weight and Mass
D. Weight and Acceleration
A. cannot be measured
B. can be expressed in the form of law
C. can be represented completely by its magnitude and unit
D. Both B and C
A. a-2, b-3, c-1, d-4
B. a-2, b-3, c-4, d-1
C. a-1, b-3, c-4, d-2
D. a-4, b-3, c-2, d-1
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