kept 10 cm from the lens. Now a glass block (refractive index 1.5) of 1.5 cm thickness id placed in contact with the light source. To get the sharp image again

Sahay Sir > Question Answers > kept 10 cm from the lens. Now a glass block (refractive index 1.5) of 1.5 cm thickness id placed in contact with the light source. To get the sharp image again
A convex lens is put 10 cm from a light source and it makes a sharp image on a screen, kept 10 cm from the lens. Now a glass block (refractive index 1.5) of 1.5 cm thickness id placed in contact with the light source. To get the sharp image again, the screen is shifted by a distance d. Then d is :
18
Nov
A convex lens is put 10 cm from a light source and it makes a sharp image on a screen, kept 10 cm from the lens. Now a glass block (refractive index 1.5) of 1.5 cm thickness id placed in contact with the light source. To get the sharp image again, the screen is shifted [...]
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Tags: A convex lens is put 10 cm from a light source and it makes a sharp image on a screen , kept 10 cm from the lens. Now a glass block (refractive index 1.5) of 1.5 cm thickness id placed in contact with the light source. To get the sharp image again , the screen is shifted by a distance d. Then d is : ,