1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
The frequency order for $$\gamma $$-rays (a), X-rays (b), UV rays (c) is
A
b $$>$$ a $$>$$ c
B
a $$>$$ b $$>$$ c
C
c $$>$$ b $$>$$ a
D
a $$>$$ c $$>$$ b
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Rainbow is formed due to
A
scattering and refraction
B
internal reflection and dispersion
C
reflection only
D
diffraction and dispersion.
3
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
By photoelectric effect, Einstein proved
A
E = h$$\upsilon $$
B
K.E. = $${1 \over 2}$$ mv2
C
E = mc2
D
E = $${{ - Rh{c^2}} \over {{n^2}}}$$
4
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
For a plano convex lens ($$\mu $$ = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after silvering
A
10 cm
B
20 cm
C
15 cm
D
25 cm