1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Given :
NEET 2013 (Karnataka) Chemistry - Some Basic Concepts of Organic Chemistry Question 44 English
I and II are
A
identical
B
a pair of conformers
C
a pair of geometrical isomers
D
a pair of optical isomers
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The de-broglie wavelength of neutrons in thermal equilibrium at temperature T is
A
$${{3.08} \over {\sqrt T }}\mathop A\limits^ \circ $$
B
$${{0.308} \over {\sqrt T }}\mathop A\limits^ \circ $$
C
$${{0.0308} \over {\sqrt T }}\mathop A\limits^ \circ $$
D
$${{30.8} \over {\sqrt T }}\mathop A\limits^ \circ $$
3
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Two rods are joined end to end, as shown. Both have a cross-sectional area of 0.01 cm2. Each is 1 meter long. One rod is of copper with a resistivity of 1.7 $$ \times $$ 10$$-$$6 ohm-centimeter, the other is of iron with a resistivity of 10$$-$$5 ohm-centimeter.
NEET 2013 (Karnataka) Physics - Current Electricity Question 97 English
How much voltage is required to produce a current of 1 ampere in the rods?
A
0.00145 V
B
0.0145 V
C
1.7 $$ \times $$ 10$$-$$6 V
D
0.117 V
4
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal to
A
$$-$$Q/4
B
Q/4
C
$$-$$Q/2
D
Q/2