Physics
Which of the following statements is true when we see ''rainbow' ?

The sky remains clear and the sun is at lower position in the sky
We face sun and raindrops
The Sun remains behind us and we face raindrops
In light rainfall, we face Sun

ANSWER DOWNLOAD EXAMIANS APP

Physics
A Fuse wire is characterised by

High resistance and low melting point
High resistance and high melting point
Low resistance and high melting point
Low resistance and low melting point

ANSWER DOWNLOAD EXAMIANS APP

Physics
Superconductors are those elements

Which conduct electricity only at super-high temperatures
Whose conductivity is intermediate between metals and insulators
Which turn into insulators at very low temperatures
Whose resistance falls almost to zero at very low temperatures

ANSWER DOWNLOAD EXAMIANS APP