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Recent questions tagged laws of reflection
+3
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1
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A mirror, 1 m in length, hangs from a wall. A man stands at a distance of 2 m from the mirror.
asked
Mar 21, 2019
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+1
vote
1
answer
In first angle projection the order of object, plane and observer, as viewed from the front is?
asked
Feb 10, 2019
in
JEE
by
kratos
isc
irodov
vibration of sound
laws of reflection
jee
optics
icse
class-10
jee mains
special theory of relativity
class-12
echoes
moving sources
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vote
1
answer
A point light source * is at a distance l = 1 m from a screen. A **** of diameter d = 1 cm, which
asked
Feb 4, 2019
in
JEE
by
kratos
irodov
jee
optics
jee mains
laws of reflection
diffraction of light
geometrical optics
+2
votes
1
answer
To compare the intensity of light from two point sources, one may use the following simple method.
asked
Jan 9, 2019
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+3
votes
1
answer
Two pins A and B are stuck in front of a mirror, as shown in Fig. In what positions will an observer see
asked
Dec 14, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+1
vote
1
answer
An electric lamp is placed in a frosted-glass sphere of radius 20 cm and is suspended from a height of 5 m over a field.
asked
Dec 9, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+1
vote
1
answer
a) Which optical instrument shows arrangement of lenses as shown in the figure? b) Write in brief the working of this optical instrument.
asked
Dec 4, 2018
in
JEE
by
kratos
refraction of light
jee
optics
class-10
jee mains
laws of reflection
+1
vote
1
answer
Show that a source and its two images from mirrors making an angle a with one another (Fig.) lie on a circle.
asked
Dec 3, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+3
votes
1
answer
Difference between Wetting and Non-wetting.
asked
Nov 6, 2018
in
Chemistry
by
kratos
class-12-hindi
chemistry in everyday life
fluid mechanics
cbse
chemistry in everyday life hindi
class-11
jee
optics
jee mains
laws of reflection
class-12
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vote
1
answer
The image of an object is obtained with a camera having a small aperture (Fig.).
asked
Nov 4, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+1
vote
1
answer
Two mirrors are set at an angle a to one another (Fig.). A source of light is placed in front of them.
asked
Oct 29, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+2
votes
1
answer
M. V. Lomonosov posed the following question in one of his works: "Wetting a thing makes its colour deeper.
asked
Aug 16, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+2
votes
1
answer
A point source of light * is placed in front of two large mirrors as shown. Which of the following observers will see only one image of *?
asked
Jul 2, 2018
in
JEE
by
kratos
electromagnetic induction
magnetism
class-11
jee
optics
jee mains
light waves
laws of reflection
+1
vote
1
answer
One of the expressions for the laws of propagation of light is Fermat'* principle, which states that light always travels along the shortest path.
asked
Jun 11, 2018
in
JEE
by
kratos
irodov
jee
optics
jee mains
laws of reflection
geometrical optics
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vote
1
answer
During construction work in the tunnel of an underground railway, an electric lamp was placed at the upper point of the arch^ (Fig.).
asked
Jun 7, 2018
in
JEE
by
kratos
jee
optics
jee mains
principles of photometry
laws of reflection
+2
votes
1
answer
What will be the shape of the patch of light on a screen, reflected from a mirror, if the size of the mirror is small and that of the source is large?
asked
May 22, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+2
votes
1
answer
How should one place a point source of light, a plane object, and a screen so that the outline of the shadow
asked
May 18, 2018
in
JEE
by
kratos
laws of reflection
optics
jee
jee mains
+1
vote
1
answer
Which of the following may describe a hologram?
asked
May 15, 2018
in
JEE
by
kratos
jee
lenses
optics
class-10
jee mains
laws of reflection
class-12
spherical mirrors
+2
votes
1
answer
Using Fermat'* principle derive the laws of reflection and refraction of light on the plane interface between two media.
asked
May 12, 2018
in
JEE
by
kratos
irodov
jee
optics
jee mains
laws of reflection
geometrical optics
+1
vote
1
answer
A point source of light * is placed in front of two large mirrors as shown.
asked
Apr 25, 2018
in
JEE
by
kratos
light
reflection of light
cbse
class-8
jee
optics
class-10
jee mains
nsep
laws of reflection
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