|
Why are convex mirrors commonly used as rear - view mirrors in vehicles?
|
|
1
|
1108
|
September 24, 2016
|
|
A ray of light is incident obliquely on a glass slab
|
|
1
|
7271
|
September 24, 2016
|
|
An object is placed at the following distances from a concave mirror of focal length 10 cm :
|
|
1
|
12101
|
September 24, 2016
|
|
Give different cases of image formation by a convex lens
|
|
1
|
5199
|
September 24, 2016
|
|
A coin placed at the bottom of a tank appears to be raised when water is poured into it. Explain
|
|
0
|
36314
|
September 24, 2016
|
|
How will you decide whether a given piece of glass is a convex lens, concave lens or a plane glass plate?
|
|
0
|
3075
|
September 24, 2016
|
|
Write two characteristics of the image so formed
|
|
1
|
635
|
September 24, 2016
|
|
State the laws of refraction
|
|
0
|
4359
|
September 24, 2016
|
|
Discuss the position and nature of the image formed by a concave mirror
|
|
1
|
4062
|
September 24, 2016
|
|
How can you distinguish between, plane mirror, convex mirror and concave mirror
|
|
1
|
4965
|
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
|
|
0
|
8189
|
September 23, 2016
|
|
Refractive index of turpentine oil, kerosene and alcohol are
|
|
1
|
16795
|
September 23, 2016
|
|
What is meant by radius of curvature of a spherical mirror?
|
|
1
|
1996
|
September 23, 2016
|
|
As the velocity of light increases
|
|
1
|
2494
|
September 23, 2016
|
|
Define absolute refractive index
|
|
1
|
24302
|
September 23, 2016
|
|
For the same angle of incidence in media P, Q and R,
|
|
1
|
12633
|
September 23, 2016
|
|
What is meant by power of a lens?
|
|
1
|
2401
|
September 23, 2016
|
|
Name the spherical mirror used as :
|
|
1
|
3875
|
September 23, 2016
|
|
What is minimum number of rays required for locating the image formed by a concave mirror for an object?
|
|
1
|
12262
|
September 23, 2016
|
|
What is meant by refraction of light?
|
|
1
|
1164
|
September 23, 2016
|
|
An object is placed at the following distances from a concave mirror of focal length 15 cm
|
|
1
|
1922
|
September 23, 2016
|
|
Name the type of lens that can be used as magnifying glass
|
|
1
|
7254
|
September 23, 2016
|
|
What should be the position of the object, when a concave mirror is to be used :
|
|
1
|
6119
|
September 23, 2016
|
|
What happens to a ray of light when it travels from one medium to another having equal refractive indices?
|
|
1
|
8671
|
September 23, 2016
|
|
How can yon identify the three types of mirrors without touching?
|
|
0
|
7528
|
September 23, 2016
|
|
How will you distinguish between a convex and a concave lens without touching them?
|
|
0
|
9684
|
September 23, 2016
|
|
Where an object should be placed so that a real and inverted image of the same size is obtained by a convex lens?
|
|
1
|
3703
|
September 23, 2016
|
|
The image formed by a concave mirror is observed to be virtual, erect and larger than the object
|
|
1
|
5773
|
September 23, 2016
|
|
If the image formed by a convex lens is of the same size as that of the object
|
|
1
|
2675
|
September 23, 2016
|
|
When does Snell's law fail?
|
|
0
|
3042
|
September 23, 2016
|