The velocity of sound is greatest in___________________?
The velocity of sound is greatest in___________________?
A. Water
B. air
C. copper
D. ammonia
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Number of significant figures in 0.0173 is_________________?
Number of significant figures in 0.0173 is_________________?A. 3
B. 4
C. 5
D. 2Who discovered the inverse square law for gravity ?
Who discovered the inverse square law for gravity ?A. Einstein
B. Galileo
C. Newtons
D. PlankSemi-conductors with donor atoms and free electrons belong to the type________________?
Semi-conductors with donor atoms and free electrons belong to the type________________?A. n
B. p
C. mix
D. any of aboveOne torr is equal to_________________?
One torr is equal to_________________?A. 1.333 Nm-2
B. .1333 Nm-2
C. 13.33 Nm-2
D. 133.3 Nm2The dimension of torque is______________?
The dimension of torque is______________?A. [ML2T-2]
B. [MLT-2]
C. [ML2T]
D. [ML-2T-2]During long jump, athlete runs before taking the jump. By doing so he__________________?
During long jump, athlete runs before taking the jump. By doing so he__________________?A. provide him a larger inertia
B. decreases his inertia
C. decreases his momentum
D. increases his momentum