Q9 of 805 Page 180

The clear sky appears blue because

Blue and violet colours are of shorter wavelengths so light rays of shorter wavelength are scattered to a greater extent as compared to light rays of longer wavelength. Hence clear sky appears blue in colour.

More from this chapter

All 805 →
7

New species may be formed if

(i) DNA undergoes significant changes in germ cells


(ii) chromosome number changes in the gamete


(iii) chromosome number remains the same


(iv) mating does not take place

 8

Beams of light are incident through the holes A and B and emerge out of the box through the holes C and D respectively as shown in the Figure. Which of the following could be inside the box?

 10

Identify the given circuit in which the electrical components have been properly connected.

 11

The resistance between A and B in the given Figure will be