1991: 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
1992: Sculptures of the Mathura School of Art, which flourished in the early centuries of the Christian Era, are made out of:
(a) Marble
(b) Slate stone
(c) Granite
(d) Red sandstone
1993: "To uphold and protect the Sovereignty, Unity and Integrity of India" is a provision made in the
(a) Preamble of the Constitution
(b) Directive Principles of State Policy
(c) Fundamental Rights
(d) Fundamental Duties
1994: Consider the following statements:
1. Smart Card is a plastic card with an embedded microchip.
2. Digital technology is primarily used with new physical communication medium such as satellite and fiber optics transmission.
3. A digital library is a collection of documents in an organised electronic form available on the internet only.
Which of the statements given above is/are correct?
(a) 3 only
(b) 1 and 2
(c) 2 and 3
(d) 1, 2 and 3
1995: Supply of money remaining the same when there is an increase in demand for money, there will be
(a) a fall in the level of prices
(b) an increase in the rate of interest
(c) a decrease in the rate of interest
(d) an increase in the level of income and employment