Identify the given lens.
Important Questions on Refraction at Spherical Surface and Spherical Lens
Complete the ray diagram. Assume P to be a convex lens.
A virtual, diminished image is formed when an object is placed between the optical centre and the principal focus of a lens.
(i) Name the type of lens which forms the above image.
(ii) Draw a ray diagram to show the formation of the image with the above stated characteristics.
Look at the figure given below and select the correct options:
We are holding a _____.
The black paper after a few minutes _____.
Which of the following set of materials represents the minimum material required for determining the focal length of a convex lens by obtaining the image of a distant object on a screen in your school laboratory.
(i) Set A - A candle, a match box, convex lens, a lens holder, a screen with stand.
(ii) Set B - A lens holder, a convex lens a concave lens, a measuring scale.
(iii) Set C - A convex lens, a lens holder, a screen with a stand, a measuring scale.
(iv) Set D - A convex lens, a burning candle, a screen with stand, a lens holder.
