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141. Thesharpnessofresonanceis__________________?
A.Directlyproportionaltothedampingforce
B.Inverselyproportionaltothedampingforce
C.Equaltothesquareofdampingforce
D.Equaltothesquareofdampingforce
142. Thenaturalfrequencyofsimplependulumdependsupon_______________?
A.It’smass
B.It’slength
C.Squareofitslength
D.Thesquarerootofitslength
143. Electricalresonanceisobservedin_______________?
A.Radio
B.Microwaveoven
C.Bothinradioandmicrowaveoven
D.Neitherinradionorinamicrowaveoven
144. Totaldistancetravelledbyabobofthesimplependuluminonevibrationisequalto________________?
A.Amplitude
B.Squareoftheamplitude
C.2xamplitude
D.4xamplitude
145. WhenK.EenergyofSHMismaximumits__________________?
A.P.Eiszero
B.Accelerationiszero
C.Restoringforceiszero
D.AllP.Eaccelerationandrestoringforcearezero
146. Indampedharmonicoscillationwhichonedecreases?
A.Amplitudeofvibration
B.Energyofvibration
C.Bothamplitudeandenergy
D.Neitheramplitudenorenergy
147. Forcedvibrationisknownas_____________________?
A.Simpleharmonicvibration
B.Naturalvibration
C.Drivenharmonicvibration
D.Freevibration
148. Themassattachedtoaspringexecutes?
A.Vibratorymotion
B.Rotatorymotion
C.S.H.M
D.BothAandC
149. AtMurreeHills(Assumethevalueofgchanges).Ifweuseasimplependulumastimestandardthenone-seconddurationwill_____________?
A.Increase
B.Decrease
C.Remainsthesame
D.Iszero
150. Thevelocityofthemassattachedtoaspringismaximumat_______________?
A.Meanposition
B.Extremeposition
C.BothAandB
D.None