Physics
Which one of the following is not a property of electromagnetic waves?

Electromagnetic waves do not show interference and diffraction.
Oscillating electric field and magnetic field are perpendicular to each other.
Electromagnetic waves do not require a medium to propagate.
Electromagnetic waves are transverse waves

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Physics
Rain drops fall from great height. Which among the following statements is true regarding it?

They fall with same ultimate velocity
Their velocity increases and they fall with same velocity on the earth
Their velocity increases and they fall with different velocity on the earth
They fall with that ultimate velocity, which are different for different droplets

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