Phonometer is used to measure which one of the following?
A. The power of brightness of light
B. Extremely high temperature
C. Frequency of electromagnetic wave
D. Testing the force of the human voice in speaking
Answer: Option D
A. The power of brightness of light
B. Extremely high temperature
C. Frequency of electromagnetic wave
D. Testing the force of the human voice in speaking
Answer: Option D
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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