The sky looks blue due to:
Dispersion effect
reflection
transmission
scattering of light
As we learned
The blue colour of sky -
Dust particles along with water suspended in the air scatter blue light which reaches our eyes and the sky looks blue to us.
Hence, the option number (4) is correct.
5 g of Na2SO4 was dissolved in x g of H2O. The change in freezing point was found to be 3.820C. If Na2SO4 is 81.5% ionised, the value of x (K
A capacitor is made of two square plates each of side 'a' making a very small angle
A solution of m-chloroaniline, m-chlorophenol and m-chlorobenzoic acid in ethyl acetate was extracted initially with a saturated solution of NaHCO3 to give fraction A. The leftover organic phase was extracted with d