1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
For a normal eye, the cornea of eye provides a converging power of 40 D and the least converging power of the eye lens behinf the cornea is 20 D. Using this information, the distance between the retina and the cornea-eye lens can be estimated to be
A
1.67 cm
B
1.5 cm
C
5 cm
D
2.5 cm
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction is 0.02866 u. The energy liberated per u is (given 1 u = 931 MeV)
A
6.675 MeV
B
13.35 MeV
C
2.67 MeV
D
26.7 MeV
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The output (X) of the logic circuit shown ion figure will be

NEET 2013 Physics - Semiconductor Electronics Question 99 English
A
X = A . B
B
X = $$\overline {A + B} $$
C
X = $$\overline {\overline A } .\overline {\overline B } $$
D
X = $$\overline {A.B} $$
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A body of mass 'm' is taken from the earth's surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be
A
3mgR
B
$${1 \over 3}$$mgR
C
mg2R
D
$${2 \over 3}$$ mgR