Physics
Which results in an increase in power?

Doing more work in more time.
Doing more work in less time.
Doing less work in less time.
Doing less work in more time.

ANSWER DOWNLOAD EXAMIANS APP

Physics
A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by

Increasing the radius of the capillary tube
Decreasing the radius of the capillary tube
Increasing the height of water in the vessel
None of these

ANSWER DOWNLOAD EXAMIANS APP

Physics
The sky appears blue because

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

ANSWER DOWNLOAD EXAMIANS APP