I. A scalar quantity has only magnitude
II. A scalar quantity has both magnitude and direction
III. A vector quantity has both magnitude and direction
IV. A vector quantity has only magnitude.

Which of the above statement is/are correct?

Similar Questions

Ripples on water and light waves are similar because both? ...

A 90-W immersion heater is used to supply energy for five minutes. The energy supplied is used to co...

Which of the following pairs of light rays shows the widest separation in the spectrum of white ligh...

Which of the following statements about evaporation and boiling is FALSE? ...

The total power drawn from the cell in the circuit above is ...

If the refractive index of a medium in air is 2.0, what is the critical angle for this medium? ...

If N.E.P.A. charges 65 kobo per kilowatt-hour for electricity supplied to consumers, what bill would...

A 40KW electric cable was uses to transmit electricity through a resistor of resistance 2.00Ω ...

If the distance between the object and the pinhole of a pinhole camera is reduced by half the size o...

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