Physics
Where should an object be placed in front of a convex lens in order to get:
(i) an enlarged real image,
(ii) enlarged virtual image?
Related Questions
A ray of light falls normally on a rectangular glass slab. Draw a ray diagram showing the path of the ray till it emerges out of the slab.
Complete the path of the monochromatic light ray AB incident on the surface PQ of the equilateral glass prism PQR till it emerges out of the prism due to refraction.
The wave lengths for the light of red and blue colours are nearly 7.8 x 10-7 m and 4.8 x 10-7 m respectively.
(i) Which colour has the greater speed in a vacuum?
(ii) Which colour has a greater speed in glass?
A pond appears to be 2.7 m deep. If the refractive index of water is 4/3, find the actual depth of the pond.