Explain the use of galvanometer?

965

Explain the difference between cathode ray and beta ray?

796

What is Voltage Dip? why it is required for Generator Sizing?

2418

Explain what makes mountains appear purple?

686

Give one advantage of a scanning electron microscope over a transmission electron microscope?

897

Explain what time period can carbon-14 dates have?

761

When the sound intensity is above 120 decibel, what happen to human ears?

1066

What is transverse wave motion?

958

Explain me industrial minerals?

712

When gravity is the only force acting on an object the object is in what?

1026

Explain the difference between isolation transformers and step up or step down transformer?

1078

a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?

921

assuming friction is negligible, if a lever has a mechanical advantage of 5, how much effort in newtons is needed to lift a 10 newton load?

887

State 'law of machines'?

950

1.when a diode has its maximum resistance? 2.is ohm's applicable for an ac circuit?  

1774