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A thin converging lens forms a :
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1
|
18489
|
September 24, 2016
|
|
Name the type of mirror used in the following:
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1
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9177
|
September 24, 2016
|
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Define real image of an object
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1
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7176
|
September 24, 2016
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State the relation between object distance,
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1
|
6813
|
September 24, 2016
|
|
What is lateral shift? Explain with the help of a diagram
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0
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17060
|
September 24, 2016
|
|
Draw a labelled ray diagram to locate the image of an object formed by a convex lens of focal length 20 cm when the object is placed 30 cm away from the lens
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0
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14297
|
September 24, 2016
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Draw a ray diagram to show the path of the refracted ray in each of the following cases
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1
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16649
|
September 24, 2016
|
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Write the type of mirror he should use
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1
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1414
|
September 24, 2016
|
|
State Snell's law of refraction
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1
|
8275
|
September 24, 2016
|
|
A 4.5 cm needle is placed 12 cm away from a convex mirror of focal length 15 cm
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1
|
18826
|
September 24, 2016
|
|
Water has refractive index 1.33 and alcohol has refractive index 1.36
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1
|
24466
|
September 24, 2016
|
|
A ray of light falls normally on a face of a glass slab
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1
|
3576
|
September 24, 2016
|
|
Define power of a lens and write its SI unit
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1
|
11464
|
September 24, 2016
|
|
Which set of observations is incorrect and why?
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1
|
7632
|
September 24, 2016
|
|
For the same angle of incidence 45°, the angle of refraction in two transparent media;
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1
|
13647
|
September 24, 2016
|
|
Why are convex mirrors commonly used as rear - view mirrors in vehicles?
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1
|
1172
|
September 24, 2016
|
|
A ray of light is incident obliquely on a glass slab
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1
|
8038
|
September 24, 2016
|
|
An object is placed at the following distances from a concave mirror of focal length 10 cm :
|
|
1
|
12962
|
September 24, 2016
|
|
Give different cases of image formation by a convex lens
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|
1
|
6305
|
September 24, 2016
|
|
A coin placed at the bottom of a tank appears to be raised when water is poured into it. Explain
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|
0
|
36437
|
September 24, 2016
|
|
How will you decide whether a given piece of glass is a convex lens, concave lens or a plane glass plate?
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0
|
3126
|
September 24, 2016
|
|
Write two characteristics of the image so formed
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|
1
|
687
|
September 24, 2016
|
|
State the laws of refraction
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|
0
|
4438
|
September 24, 2016
|
|
Discuss the position and nature of the image formed by a concave mirror
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|
1
|
4115
|
September 24, 2016
|
|
How can you distinguish between, plane mirror, convex mirror and concave mirror
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|
1
|
5044
|
September 24, 2016
|
|
With the help of ray diagram show that angle of incidence is equal to the angle of reflection when a ray is incident on the concave mirror
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|
0
|
8975
|
September 23, 2016
|
|
Refractive index of turpentine oil, kerosene and alcohol are
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1
|
20883
|
September 23, 2016
|
|
What is meant by radius of curvature of a spherical mirror?
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|
1
|
2038
|
September 23, 2016
|
|
As the velocity of light increases
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1
|
2580
|
September 23, 2016
|
|
Define absolute refractive index
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|
1
|
24445
|
September 23, 2016
|