Physics
Negative feedback in amplifiers

Increases bandwidth and increases noise
Decreases bandwidth and increases noise
Decreases bandwidth and decreases noise
Increases bandwidth and decreases noise

ANSWER DOWNLOAD EXAMIANS APP

Physics
The sky appears blue because

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

ANSWER DOWNLOAD EXAMIANS APP