White And Black Are Not Colours-explain.

Question

White and black are not colours-explain.

Solution

White is a sensation when all the wave bands excite the retina. Conversely black is a sensation when no wave band excites the retina. Hence white and black are not colours.

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Q- A swimmer sees only hazy contours of objects when he opens his eyes under water, while they are distinct when using a mask. Why?

Chapter: Light

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Q- The image of an object formed by a convex is obtained on a screen. Will the full size of image be obtained if the lower half of the is made completely opaque?

Chapter: Light

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Q- A concave lens is used in spectacles to correct myopia-Why?

Chapter: Light

Question

White and black are not colours-explain.

Solution

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Related Question

Q- A swimmer sees only hazy contours of objects when he opens his eyes under water, while they are distinct when using a mask. Why?

View Answer

Q- The image of an object formed by a convex is obtained on a screen. Will the full size of image be obtained if the lower half of the is made completely opaque?

View Answer

Q- A concave lens is used in spectacles to correct myopia-Why?

View Answer

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