An object which absorbs all colours and reflects none appears:
A). White
B). Grey
C). Blue
D). Black
Black
A black object absorbs all wavelengths of light and reflects none and that's why it appears black. Consequently, black absorbs the most heat.
1. The type of mirrors used in the headlamp of cars is
2. In hydro power station, the motion produced in turbines is due to
3. ?A number of images of a candle flame are seen in thick mirror
5. The device which convert AC to DC is :
6. Ball pen functions on the principle of
8. It is more difficult to walk on a sandy road than on a concrete road because