MEDIUM
12th Odisha Board
IMPORTANT
Earn 100
A real object is placed before a convex lens at its axis and at a distance less than its focal length. What will be nature of image.
Important Questions on Refraction, Dispersion and Lens
HARD
12th Odisha Board
IMPORTANT
Does the power of lens depends upon the convention of sign adopted.
HARD
12th Odisha Board
IMPORTANT
Why white light is dispersed by a prism?
HARD
12th Odisha Board
IMPORTANT
When light undergoes refraction, what happens to its frequency?
HARD
12th Odisha Board
IMPORTANT
How does the frequency of a beam of UV light changes when it goes from air to glass?
HARD
12th Odisha Board
IMPORTANT
Refractive indices of glass for the light of yellow, green and red colours are respectively. Rearrange these symbols in increasing order of values.
MEDIUM
12th Odisha Board
IMPORTANT
In which direction, relative to normal, a ray of light bends when it enters obliquely in the medium in which its speed is reduced?
MEDIUM
12th Odisha Board
IMPORTANT
For the same angle of incidence, the angle of refraction in three different media and are and respectively. In which medium, the velocity of light is minimum?
HARD
12th Odisha Board
IMPORTANT
Why during the hot days at noon, trees and houses across open ground appear to be quivering?
