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Byju's Answer
Standard XII
Physics
Image in Thin Lens by Ray Tracing
A medium had ...
Question
A medium had
n
v
=
1.56
,
n
r
=
1.44
. Then its dispersive power is
A
3/50
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B
6/25
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C
3/100
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D
6/75
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Solution
The correct option is
B
6/25
Option B is correct
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Similar questions
Q.
Calculate dispersive power of a transparent material with the given:
n
v
=
1.56
,
n
r
=
1.54
,
n
y
=
1.55
Q.
If
n
R
and
n
V
denote the number of photons emitted by a red bulb and violet bulb of equal power in a given time, then:
Q.
In a prism, the refractive indices of different colours are
μ
V
=
1.6;
μ
R
=
1.52;
μ
Y
=
1.56.
The dispersive power of the prism is :
Q.
Light of wavelength
4000
A
o
is incident at small angle on a prism of apex angle
4
o
. The prism has
n
v
=
1.5
and
n
r
=
1.4
. The angle of dispersion produced by the prism in this light is -
(
n
v
→
refractive index for violet colour)
Q.
If the refractive indices of a flint glass for red, yellow and violet colours are
1.42
,
1.44
and
1.48
respectively then, the dispersive power of the glass is :
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