1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which one of the following order represents the correct sequence of the increasing basic nature of the given oxides ?
A
MgO < K2O < Al2O3 < Na2O
B
Al2O3 < MgO < Na2O < K2O
C
Na2O < K2O < MgO < Al2O3
D
K2O < Na2O < Al2O3 < MgO
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :
A
325 nm
B
743 nm
C
518 nm
D
1035 nm
3
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
If the mean deviation about the median of the numbers a, 2a,........., 50a is 50, then |a| equals
A
4
B
5
C
2
D
3
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The value of $$p$$ and $$q$$ for which the function

$$f\left( x \right) = \left\{ {\matrix{ {{{\sin (p + 1)x + \sin x} \over x}} & {,x < 0} \cr q & {,x = 0} \cr {{{\sqrt {x + {x^2}} - \sqrt x } \over {{x^{3/2}}}}} & {,x > 0} \cr } } \right.$$

is continuous for all $$x$$ in R, are
A
$$p =$$ $${5 \over 2}$$, $$q = $$ $${1 \over 2}$$
B
$$p =$$ $$-{3 \over 2}$$, $$q = $$ $${1 \over 2}$$
C
$$p =$$ $${1 \over 2}$$, $$q = $$ $${3 \over 2}$$
D
$$p =$$ $${1 \over 2}$$, $$q = $$ $$-{3 \over 2}$$
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