Physics
Which among the following is false about displacement?

It is always positive
Its SI unit is meter
Displacement is never greater than Distance
It can be positive, negative or zero

ANSWER DOWNLOAD EXAMIANS APP

Physics
An electron microscope gives higher magnification than an optical microscope, because :

The velocity of electron is smaller than that of visible light
The electrons have more energy than the light particles
It uses more powerful lenses
The wavelength of electrons is smaller as compared to the wavelength of visible light

ANSWER DOWNLOAD EXAMIANS APP