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.
Notes of the same frequency sounded on a guitar and trumpet may differ in I. loudness II. Pitch ...
The tendency of a body to remain at rest when a force is applied to it is called. ...
In the electrical method of magnetisation, the polarity of the magnet depends on the ...
A lens that is thinner at the middle and thicher at the edges is ...
Which of the following statements distinguishes thermal conduction for convection? i. Conduction ...