A point-like object is placed at a distance of 1m in front of convex lens of focal length 0.5m. A plane mirror is placed at a distance of 2m behind the lens. The position and nature of the final image formed by the system is:-
Option: 1 1m from the mirror, real
Option: 2 1m from the mirror, virtual
Option: 3 2.6m from the mirror, real
Option: 4 2.6m from the mirror, virtual
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