Question

7. A piece of red cloth when suitably illuminated may
look black, but a piece of black cloth will never appear
red. This phenomenon occurs because :
(a) Black cloth reflects only black light
(b) Black absorbs all the colours
(C) Black cloth reflects all colours
(d) Red cloth reflects all colours​

Answer 1

Answer:

Black cloth reflects only black light

Answer 2

When properly illuminated, a piece of red cloth may appear black, but a piece of black cloth will never appear red. Black cloth reflects all colours.

Explanation:

• The ruddy cloth will show up ruddy when enlightened by sunlight. In cyan light, the ruddy cloth will appear black.
• When a bit of ruddy cloth is held within the as it were blue parcel of the range, ruddy cloth assimilates the blue light.
• Since there's no ruddy light to be reflected, in this manner no color will be reflected back that's cloth piece will show up black.
• A cloth piece looks ruddy in daylight since it assimilates all the colors of daylight but ruddy, ruddy is reflected in our eyes.