A piece of cloth appears green in sunlight. When held in ...
A piece of cloth appears green in sunlight. When held in red light, it will appear
green
blue
red
black
Correct answer is D
No explanation has been provided for this answer.
A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is? ...
When an elastic material is stretched by a force, the energy stored in it is ...
A piece of cloth appears green in sunlight. When held in red light, it will appear ...