Why is the Red Soil red in colour? -SST 10th

Why is the Red Soil red in colour? -SST 10th
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Answer :

Red Soil is red in colour because it contains a great proportion of iron-oxides. At several places, their colour has slightly changed and appears brown or grey.
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Last Answer : (2) Yellow Explanation: Red, green and blue are the primary colors and all other colors can be created from them. When red and green combine, the result is yellow.

Which of the following colour of light deviates least through the prism? (1) yellow (2) green (3) violet (4) red

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Which colour of light shows maximum deviation when passed through a prism? (1) Red (2) Green (3) Violet (4) Yellow

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In fireworks which metal is used for Red colour?

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which of the following statements is not true for scattering of light? (a) Colour of the scattered tight depends on the size of particles of the atmosphere. (b) Red light is least scattered in the atmosphere. (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir. d) The fine particles in the atmospheric air scatter the blue, light more strongly than red. So the scattered blue light enters our eyes.

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Last Answer : (c) Scattering of light Lakes place as various colours of white light travel with different speed in fir.