Who were the pioneers of Physics?
Who were the pioneers of Physics?
A. Egyptians
B. Greek
C. Latin
D. Persians
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The speed of stationary waves in a stretched string are independent of___________________?
The speed of stationary waves in a stretched string are independent of___________________?A. Number of loops
B. Tension in the string
C. Point where string is plucked
D. both A and CSemi-conductor germanium and silicon are_________________?
Semi-conductor germanium and silicon are_________________?A. pentavalent
B. trivalent
C. divalent
D. tetravalentPair production cannot take place in a vacuum as ________________?
Pair production cannot take place in a vacuum as ________________?A. Mass is not conserved
B. Energy is not conserved
C. Momentum is not conserved
D. The chargee is not conservedThe velocity of the mass attached to a spring is maximum at_______________?
The velocity of the mass attached to a spring is maximum at_______________?A. Mean position
B. Extreme position
C. Both A and B
D. NoneIf one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?
If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?A. Fission reaction
B. Fusion reaction
C. Chain reaction
D. Chemical reactionIf a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?
If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?A. 4 rad. S-1
B. 5 rad. S-1
C. 1.6 rad. S-1
D. 2.8 ms-1