EASY
Stage 1 & 2
IMPORTANT
Earn 100
A : The air bubble shines in water.
B : Air bubbles in water shines due to refraction of light.
50% studentsanswered this correctly
Important Questions on Light Reflection, Refraction and Human Eye
EASY
Stage 1 & 2
IMPORTANT
Where should an object be placed in front of a convex lens to get a real image of the size of the object?
EASY
Stage 1 & 2
IMPORTANT
Image of an object is formed by the human eye at?
EASY
Stage 1 & 2
IMPORTANT
What should be the position of an object so that a real and inverted image of same size is obtained using a convex lens?
EASY
Stage 1 & 2
IMPORTANT
The image formed by an object due to long sightedness
EASY
Stage 1 & 2
IMPORTANT
Match the following appropriately.
| List A | List B |
| A. Presbyopia | . Sphere-cylindrical lens |
| B. Hypermetropia | . Convex lens of proper power may be used close to the eye |
| C. Astigmatism | . Concave lens of suitable focal length |
| D. Myopia | . Bifocal lens of suitable focal length |
EASY
Stage 1 & 2
IMPORTANT
Figure shows a ray of light as it travel from medium A to medium B. The refractive index of medium B relative to medium A is :
EASY
Stage 1 & 2
IMPORTANT
A light bulb is placed between two plane mirrors inclined at an angle of . The number of images formed are:
EASY
Stage 1 & 2
IMPORTANT
An object of size placed perpendicular to the principal axis of a concave mirror. The distance of the object from the mirror equals radius of curvature. The size of the image will be
