A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are

Similar Questions

An object is placed 36cm from a converging lens of focal length 24cm.If a real image which is 4cm hi...

In the diagram above, a ray of light passes from glass into air, if the angle of incidence in glass ...

A turning fork of frequency 600Hz is sounded over a closed resonance tube. If the first and second r...

A milliameter of resistance 5\(\Omega\) and full scale deflection of 5m A is to used to measure a po...

Which of the following substances undergoes sublimation? ...

The diagram above illustrates a beam of parallel rays from a distant object O, incident on one side ...

During the electrolysis of copper (II) tetraoxosulphate (VI) solution, an ammeter shows a steady rea...

A rainbow is formed when sunlight is incident on water droplets suspended in the air due to ...

A body is launched from the earth’s surface, of radius R, so that it just escapes from the gra...

Which of the following types of thermometer is used for the calibration of other thermometers? ...