Physics
A balloon filled with hydrogen will

Reach a particular height and start coming down
Continue going upwards uninterrupted
Burst after reaching some height
Reach a particular height and remain floating

ANSWER DOWNLOAD EXAMIANS APP

Physics
Which of the following events occurred first ?

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
The sky appears blue because

All colours interfere to produce blue
It is actually blue
The atmosphere scatters blue colour more than the others
In white light, the blue component dominates

ANSWER DOWNLOAD EXAMIANS APP