State whether the following statements are True (T) or False (F)
All colours of light have the same refractive index for air.

State whether the following statements are True (T) or False (F) All colours of light have the same refractive index only for air but different for different transparent media.

State whether the following statements are True (T) or False (F) All colours of light travel with the same velocity in air.

State whether the following statements are True (T) or False (F): A cell is a source of electrons.

State wheteher the following statements are True (T) or False (F): All insulators are dielectrics.

State whether the following statements are True (T) or False (F): Electric field is a scalar field.

State whether the following statements are True (T) or False (F): In Boolean algebra (A+A) = A.

State whether the following statements are True (T) or False (F): A filter converts pulsatig d.c to steady d.c.

State whether the following statements are True (T) or False (F): The colour of the sky appears black form the surface of the moon.

State whether the following statements are True (T) or False (F): A full wave bridge rectifier has the same peak inverse voltage as the halfwave rectifier.

State whether the following statements are True (T) or False (F): Electric field intensity is a point function.