1306: Consider the following statements :
In a nuclear reactor, self-sustained chain reaction is possible, because
I. more neutrons are released in each of the fission reactions.
II. the neutrons immediately take part in the fission process.
III. the fast neutrons are slowed down by Graphite.
IV. every neutron realeased in the fission reaction initiates further fission.
Which of these statements are correct ?
(a) I, II and III
(b) I and III
(c) II and IV
(d) II, III and IV
1307: An air bubble in water will act like a
(a) convex mirror
(b) convex lens
(c) concave mirror
(d) concave lens
1308: A wooden block is floating in water. If 4/5 of its volume is immersed in water and volume of the water displaced is 800 ml, the volume of the block is
(a) 1140 ml
(b) 200 ml
(c) 800 ml
(d) 1000 ml
1309: Assertion (A):
Fiscal deficit is greater than budgetary deficit.
Reason (R):
Fiscal deficit is the borrowings from the Reserve Bank of India plus other liabilities of the Government to meet its expenditure.
(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
1310: Match List I (Place of Archaeological Monument) with List II (State) and select the correct answer using the codes given below the Lists:
List I : List II
(Place of Archaeological Monument) : (State)
I. Sisupalgarh : (A) Assam
II. Piprahwa : (B) Manipur
III. Goalpara : (C) Orissa
IV. Bishnupur : (D) Uttar Pradesh
(A) 3 4 1 2
(B) 2 4 1 3
(C) 2 1 4 3
(D) 3 1 4 2