Questions

India ropes in space technology to track border management.

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

The head mirror used by ENT doctors is concave.

1st Schedule of the constitution of India has to be amended to provide for the formation of a new State. Articles 2, 3 and 4 enable parliament by law admit a new state, increase, decrease the area of any state.