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CBSE - Light Reflection
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Practice Question
Light Reflection
.
Light Reflection
A real and enlarged image can be formed by using a
(1) convex mirror
(2) plane mirror
(3) concave mirror
(4) either convex or a plane mirror
Correct Answer: 3
.
Related Questions
Light Reflection
1
Identify the device used as spherical mirror or lens in the following cases when the image formed is virtual & erect in each case :
A Object is placed between device & its focus, image is enlarged & behind it .
B Object placed between focus & device image formed is enlarged & on the same side as that of object .
(1) Convex lens Concave mirror
(2) Convex mirror Convex lens
(3) Concave mirror Convex lens
(A Concave mirror Concave lens
Correct Answer: 3
2
For a prism, the correct relationship between ˂ i and ˂δ is represented by (˂ i = angle of incidence, ˂δ = angle of deviation)
1.
2.
3.
4.
Correct Answer: 4
3
The resultant focal length of the lenses as shown in the figure is :
(1) 2f
(2) f / 2
(3) f / 4
(4) f
Correct Answer: 2
4
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray
(1) retraces its path
(2) passes through focus
(3) passes through the pole
(4) becomes parallel to the principal axis
Correct Answer: 1
5
Most of the refraction takes place at ___________when light enter the eye.
(1) Pupil
(2) Iris
[3) Outer surface of cornea
(4) Crystalline lens
Correct Answer: 3
