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
A : The cloud in sky generally appear to be whitish.
B : Diffraction due to cloud is efficient in equal measure at all wavelengths.
EASY
Stage 1 & 2
IMPORTANT
How will the image formed by a convex lens be affected if the upper half of the lens is covered with a black paper?
EASY
Stage 1 & 2
IMPORTANT
Which of the following would form a highly diminished image at focus?
EASY
Stage 1 & 2
IMPORTANT
An object is placed at a distance from a convex mirror of focal length . The image formed is :
EASY
Stage 1 & 2
IMPORTANT
A long alpine is placed vertically in front of a concave mirror. A long image of the alpine is formed at a distance of in front of the mirror. The focal length of this mirror is :
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:
