2216: 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
2217: Assertion :
The word minority is not defined in the Constitution of India.
Reason :
The Minorities Commission is not a constitutional body.
In the context of the above two statements, which one of the following is correct ?
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are 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
2218: The half-life of a radio active element is 5 years. The fraction of the radioactive substance that remains after 20 years is
(a) 1/2
(b) 1/4
(c) 1/8
(d) 1/16
2219: Consider the following statements:
1. Justice V. R. Krishna Iyer was the Chief Justice of India.
2. Justice V. R. Krishna Iyer is considered as one of the progenitors of public interest litigation (PIL) in the Indian judicial system.
Which of the statement given above is/are correct ?
(a) Neither 1 nor 2'
(b) Both 1 and 2
(c) 2 only
(d) 1 only
2220: Consider the following statements:
The Constitution of India provides that
1. The Legislative Assembly of each State shall consist of not more than 450 members chosen by direct election from territorial constituencies in the State
2. A person shall not be qualified to be chosen to fill a seat in the Legislative Assembly of a State if he/ she is less than 25 years of age
Which of the statements given above is/are correct
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2