Waves transmit ________________ from one place to another?
Waves transmit ________________ from one place to another?
A. energy
B. mass
C. both
D. none
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In S.H.M. the velocity of a particle is maximum at________________?
In S.H.M. the velocity of a particle is maximum at________________?A. mean position
B. extreme position
C. middle between the mean and extreme position on the right side
D. middle between the mean and extreme position on the left sideDuring 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 momentumWhy should a resistance be introduced in a circuit in series deliberately ?
Why should a resistance be introduced in a circuit in series deliberately ?A. to increase current
B. to decrease current
C. to control current
D. just to give a good look to circuitDisplacement of the body in S.H.M is equal to amplitude when the body is at_______________?
Displacement of the body in S.H.M is equal to amplitude when the body is at_______________?A. Mean position
B. Elsewhere
C. Extreme position
D. NoneWhen crest of one wave falls over the trough of the other wave this phenomenon is known as________________?
When crest of one wave falls over the trough of the other wave this phenomenon is known as________________?A. polarization
B. constructive interference
C. destructive interference
D. diffractionWhen two protons are brought together_____________________?
When two protons are brought together_____________________?A. Kinetic energy increases
B. P.E. between them increases
C. P.E. between them decreases
D. P.E. between tem does not change