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Yatharth
Subject: Physics
, asked on 18/2/18
how does young's double slit experiment change when frequency of source is doubled
Answer
1
Shivam Sharma
Subject: Physics
, asked on 18/2/18
To find the intensity of light at any point on the screen when do we apply these formulas in numericals? I=Io cos^2 phi/2 and I= 4Io cos^2 phi/2 ???
Answer
2
Sandra Saju
Subject: Physics
, asked on 18/2/18
Explain diffraction of light due to a narrow single slit and the formation of pattern of fringes on the screen.
Answer
1
Sandra Saju
Subject: Physics
, asked on 17/2/18
State the essential conditions for diffraction of light.
Answer
1
Sandra Saju
Subject: Physics
, asked on 17/2/18
What do you understand by the statement ‘Light from the sun is unpolarised’. Explain how does sunlight gets polarized by the process of scattering?
Answer
1
Sofiya Parihar
Subject: Physics
, asked on 17/2/18
Answer question no.6
Answer
1
Shri Ganesh
Subject: Physics
, asked on 17/2/18
When a parallel beam of monochromatic source of light of wavelength λ is incident on a single slit of width, a, show how the diffraction pattern is formed at the screen by the interference of the wavelets from the slit. Show that, besides the central maximum at θ = 0, secondary maxima are observed at θ =
n
+
1
2
λ
a
and the minima at θ =
n λ/a.
Answer
1
Awadhesh Thakkar
Subject: Physics
, asked on 15/2/18
Plz solve this
Q.26. The mass string system shown in the figure is in equilibrium. If the coefficient of friction between A and the table is 0.3, the frictional force on A is :-
(1) 9.8 N
(2) 2.04 N
(3) 1.96 N
(4) 0.59 N
Answer
1
Awadhesh Thakkar
Subject: Physics
, asked on 15/2/18
Q.1. Given that
1
sin
x
+
3
cos
x
. Minimum value of y is
(1) Zero
(2) 2
(3) 5
(4)
10
/
1
+
3
Answer
1
Tanaya
Subject: Physics
, asked on 13/2/18
Light waves from two coherent sources arrive at two points on a screen with path differences of lamda and lambda by 3. Find the ratio of intensities at the points
Answer
1
Aditi
Subject: Physics
, asked on 13/2/18
solve 13 a part....which is circled by blue pen
Answer
1
Archana
Subject: Physics
, asked on 11/2/18
Answer
Q.(b) A narrow beam of unpolarised light of intensity
I
0
is incident on a polaroid
P
1
. The light transmitted by its is then incident on a second polaroid
P
2
with its pass axis making angle of 60
°
relative to the pass axis of
P
1
. Find the intensity of the light transmitted by
P
2
.
Answer
2
Shivam Sharma
Subject: Physics
, asked on 10/2/18
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I
1
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2
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3
.
Solve this
Answer
1
Ayushi Aggarwal
Subject: Physics
, asked on 7/2/18
Solve ques 11 ,12,13
Answer
1
Aashish Rohilla
Subject: Physics
, asked on 26/1/18
Solve this:
Q. When a parallel beam of monochromatic source of light of wavelength
λ
is incident on a single slit of width a show how the diffraction pattern is formed at the screen by the interference of the wavelets from the slit.
Show that besides the central maxima at
θ
=
0
secondary maxima are observed at
θ
=
n
+
1
2
λ
/
a
and the minima at
θ
=
n
λ
a
Why do secondary maxima get weaker in intensity with increasing n ? Explain.
Answer
1
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What are you looking for?
Q.26. The mass string system shown in the figure is in equilibrium. If the coefficient of friction between A and the table is 0.3, the frictional force on A is :-
(1) 9.8 N
(2) 2.04 N
(3) 1.96 N
(4) 0.59 N
(1) Zero
(2) 2
(3) 5
(4)
Q.(b) A narrow beam of unpolarised light of intensity is incident on a polaroid . The light transmitted by its is then incident on a second polaroid with its pass axis making angle of 60 relative to the pass axis of . Find the intensity of the light transmitted by .
Q. When a parallel beam of monochromatic source of light of wavelength is incident on a single slit of width a show how the diffraction pattern is formed at the screen by the interference of the wavelets from the slit.
Show that besides the central maxima at secondary maxima are observed at and the minima at
Why do secondary maxima get weaker in intensity with increasing n ? Explain.