The energy of characteristic X-rays depends upon the January 9, 2022January 9, 2022 administrator The energy of characteristic X-rays depends upon theType of targetWell Done. Your Answer is Correct Keep it Up!Voltage appliedTemperatureNone of the Option is Correct
Restoring force is the January 9, 2022January 9, 2022 administrator Restoring force is theAll Options are CorrectWell Done. Your Answer is Correct Keep it Up!Opposing forceFrictional forceElastic force
In Hook’s law, K is the spring constant depending on the January 9, 2022January 9, 2022 administrator In Hook’s law, K is the spring constant depending on theMaterial of springWell Done. Your Answer is Correct Keep it Up!Dimensions of springApplied forceAll Options are Correct
Sonar is the name of technique or detecting the presence of objects under water by January 9, 2022January 9, 2022 administrator Sonar is the name of technique or detecting the presence of objects under water byAll Options are CorrectWell Done. Your Answer is Correct Keep it Up!Eco-rangingEco-sounding Eco-acoustical
The military applications of Doppler’s effect are January 9, 2022January 23, 2022 administrator The military applications of Doppler’s effect areAll Options are CorrectWell Done. Your Answer is Correct Keep it Up!Location of submarinesControl of anti submarine weaponsDepth measurement of sea
Doppler affect can be used to calculate the speeds of January 9, 2022January 9, 2022 administrator Doppler affect can be used to calculate the speeds ofDistant starsWell Done. Your Answer is Correct Keep it Up!PlanetsGalaxiesAll Options are Correct
If the stars are moving towards the earth show a January 9, 2022January 9, 2022 administrator If the stars are moving towards the earth show aBlue shiftWell Done. Your Answer is Correct Keep it Up!Red shiftYellow shiftNone of the Option is Correct
If the stars are moving away from the Earth show a January 9, 2022January 9, 2022 administrator If the stars are moving away from the Earth show aRed shiftWell Done. Your Answer is Correct Keep it Up!Blue shiftGreen shiftNone of the Option is Correct
When the source is moving towards the observer at rest the apparent frequency will January 9, 2022January 9, 2022 administrator When the source is moving towards the observer at rest the apparent frequency willIncreasedWell Done. Your Answer is Correct Keep it Up!DecreasedBothNone of the Option is Correct
Bats navigate and find food by January 9, 2022January 9, 2022 administrator Bats navigate and find food byEco-locationWell Done. Your Answer is Correct Keep it Up!Eco-soundingAcoustical echoNone of the Option is Correct