Physics
Which of the following events occurred first ?

Madame Marie Curie became the first woman Nobel Prize winner
Albert Einstein propounded the General Theory of Relativity
Max Planck unveiled the Quantum Theory
Marconi first tranmitted a wireless signal

ANSWER DOWNLOAD EXAMIANS APP

Physics
On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:

mercury is a metal.
cohesion of mercury is greater than its adhesion with glass.
density of mercury is greater than that of water.
cohesion of water is greater than its adhesion with glass.

ANSWER DOWNLOAD EXAMIANS APP