3121: Mandal Commission report pertains to:
(a) Backward Classes
(b) Minorities
(c) Scheduled Castes
(d) Scheduled Tribes
3122: Total internal reflection occurs when light travels from:
(a) A rarer medium to a denser medium
(b) A denser medium to a rarer medium
(c) A rarer medium to a denser medium and the angle of incidence is less than the critical angle
(d) A rarer medium to a denser medium and the angle of incidence is greater than the critical angle
3123: When the Chief Justice of a High Court acts in an administrative capacity, he is subject to
(a) the writ jurisdiction of any of the other judges of the High Court
(b) special control exercised by the Chief Justice of India
(c) discretionary powers of the Governor of the state
(d) special powers provided to the Chief Minister in this regard
3124: In what sequence are the following obtained from a natural gas well?
1. Natural Gas
2. Water
3. Crude oil
(a) 1, 3, 2
(b) 1, 2, 3
(c) 3, 2, 1
(d) 2, 1, 3
3125: Assertion (A) :
Synthetic detergents can lather well in hard water.
Reason (R) :
Synthetic detergents form soluble calcium and magnesium salts with hard water.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true