1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror]

Column 1 Column 2
(A) m = - 2 (p) Convex mirror
(B) m = -$${1 \over 2}$$ (q) Concave mirror
(C) m = +2 (r) Real image
(D) m = +$${1 \over 2}$$ (s) Virtual image
A
A  $$ \to $$  p   and   s;   B $$ \to $$ q and r;   C $$ \to $$ q and s;   D $$ \to $$ q and r
B
A  $$ \to $$  r   and   s;   B $$ \to $$ q and s;   C $$ \to $$ q and r;   D $$ \to $$ p and s
C
A  $$ \to $$  q  and  r;   B $$ \to $$ q and r;   C $$ \to $$ q and s;   D $$ \to $$ p and s
D
A  $$ \to $$  p   and   r;   B $$ \to $$ p and s;   C $$ \to $$ p and q;   D $$ \to $$ r and s
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
In a diffraction pattern due to a single slit of width $$a$$, the first minimum is observed at an angle 30o when light of wavelength 5000 $$\mathop A\limits^ \circ $$ is incident on the slit. The first secondary maximum is observed at an angle of
A
sin$$-$$1$$\left( {{1 \over 2}} \right)$$
B
$${\sin ^{ - 1}}\left( {{3 \over 4}} \right)$$
C
$${\sin ^{ - 1}}\left( {{1 \over 4}} \right)$$
D
$${\sin ^{ - 1}}\left( {{2 \over 3}} \right)$$
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The intensity at the maximum in a Young's double slit experiment is $$I$$0. Distance between two slits is d = 5$$\lambda $$, where $$\lambda $$ is the wavelength of light used in the expreriment. What will be the intensity in front of one of the slits on the screen placed at a distance D = 10d ?
A
$${3 \over 4}{I_0}$$
B
$${{{I_0}} \over 2}$$
C
I0
D
$${{{I_0}} \over 4}$$
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The angle of incidence for a ray of light at a refracting surface of a prism is 45o. The angle of prism is 60o. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are
A
$${45^o};\sqrt 2 $$
B
$${30^o};{1 \over {\sqrt 2 }}$$
C
$${45^o};{1 \over {\sqrt 2 }}$$
D
$${30^o};\sqrt 2 $$
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