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The ray diagram given below illustrates the experimental set up for the determination of the focal length of a converging lens using a plane mirror
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1
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2701
|
September 24, 2016
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You are given a convex lens of focal length 10 cm
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1
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3462
|
September 24, 2016
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A ray of light AB parallel to the principal axis incident a convex lens as shown in figure
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1
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1733
|
September 24, 2016
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You have a spherical mirror
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1
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1637
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September 24, 2016
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A ray of light XY is incident on a spherical mirror as shown in the diagram
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1
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3005
|
September 24, 2016
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A ray of light XY is incident on a mirror as shown in the figure
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1
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3922
|
September 24, 2016
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A parallel beam of light is incident on a concave mirror and a convex mirror as shown in figure below:
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1
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4717
|
September 24, 2016
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How will you decide whether a given piece of glass is convex lens, concave lens or a plane glass plate?
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0
|
542
|
September 24, 2016
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Is it possible for lens to act as a convergent lens in one medium and a divergent lens in another?
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0
|
639
|
September 24, 2016
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What happens the image formed by a convex lens if its lower part is blackened?
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0
|
1183
|
September 24, 2016
|
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A concave mirror and convex lens are held in water. What changes, if any, do you expect in their focal length?
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0
|
2426
|
September 24, 2016
|
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The angle between an incident ray and the mirror is as shown below
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1
|
3375
|
September 24, 2016
|
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An object is brought towards a concave mirror. How does the position and size of the image change?
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0
|
4456
|
September 24, 2016
|
|
The mirror outside the driver side of a vehicle is usually a convex mirror
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1
|
4371
|
September 24, 2016
|
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In case of a convex mirror, if the object is moved away from the surface of the mirror, how does the position and size of image change?
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0
|
8974
|
September 24, 2016
|
|
For driving a car what type of mirror would you prefer to see the traffic at your back and why?
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0
|
3807
|
September 24, 2016
|
|
What is the difference between virtual images produced by concave, plane and convex mirrors?
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0
|
7727
|
September 24, 2016
|
|
How will you distinguish, without touching, between a plane mirror, a convex mirror and a concave mirror?
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0
|
7773
|
September 24, 2016
|
|
A converging lens forms a real and inverted image of an object at a distance of 100 cm
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1
|
8228
|
September 24, 2016
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Write relation between u, v, f for lens and for mirrors
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1
|
20326
|
September 24, 2016
|
|
Draw a ray diagram in each of the following cases to show the position and nature of the image formed when object is placed :
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1
|
7326
|
September 24, 2016
|
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Write one use of concave mirror as well as convex mirror
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1
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2539
|
September 24, 2016
|
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The refractive index of diamond is 2.42. What is the meaning of this statement?
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1
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6659
|
September 24, 2016
|
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Define principal focus of a concave mirror
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1
|
5271
|
September 24, 2016
|
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Describe an activity to find the approximate value of focal length of a concave mirror
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1
|
7986
|
September 24, 2016
|
|
Which lens can be used as a magnifying glass?
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1
|
4039
|
September 24, 2016
|
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Under what condition, a concave mirror produces a virtual and magnified image?
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1
|
8643
|
September 24, 2016
|
|
Define optical centre of a spherical lens
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1
|
28491
|
September 24, 2016
|
|
Define 1 dioptre of power. Find the focal length of a lens of power - 2.0 D
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|
1
|
6979
|
September 24, 2016
|
|
For the given data showing object distance and focal length of three concave mirrors, answer the following questions :
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1
|
13601
|
September 24, 2016
|