Match List - I (Experiment performed) with List - II (Phenomena discovered/ associated) and select the correct option from the options given below the lists :
LIST I |
LIST II |
(a) |
Davisson and Germer Experiment |
(i) |
Wave nature of electrons |
(b) |
Millikan’s oil drop experiment | (ii) |
Charge of an electron |
(c) |
Rutherford experiment | (iii) |
Quantisation of energy levels |
(d) |
Franck -Hertz experiment | (iv) |
Existence of nucleus |
(a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(a)-(i), (b)-(ii), (c)-(iv), (d)-(iii)
(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
(a) --- (i)
(b) --- (ii)
(c) --- (iv)
(d) --- (iii)
correct option is 2
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