When the sun, moon and the earth are as shown in the diagram above an observer standing in X is in
In the diagram above, which of the angles \( \theta _1 \) , \( \theta _2 \) , \( \theta _3 \) and \( \theta _4 \) is the angle of deviation of the ray of light passing through the glass prism XYZ?
A body on the ground is acted on by a force of 10N at a point P as shown in the fig above. What force is needed to stop the body from moving eastwards?
The total resistance measured at PQ in the diagram above is
In the AC circuit diagram above, the resonance frequency is
