The sun makes `0.5^(@)` angle on earth surface. Its image is made by convex lens of `50 cm` focal length. The diameter of the image will be

The sun subtends an angle of (1//2)^(@) on earth. The image of sun is obtained on the screen with the help of a convex lens of focal length 100 cm the diameter of the image obtained on the screen will be

The sun subtends asn angle of (1//2)^(@) on earth. The image of sun is obtained on the screen with the help of a convex lens of focal length 100 cm the diameter of the image obtained on the screen will be

An object is placed at 5cm from a convex lens of focal length 15cm. What is the position and nature of the image ?

If an object is placed at 50 cm from a convex lens of focal length 25 cm , what will be the image distance ?

Sun's diameter is 1.4 xx10^(9)m and its distance from the earth is 10^(11)m . The diameter of its image, formed by a convex lens of focal length 2m will be

The shortest distance between an object and its real image formed by convex lens of focal length 10 cm is _______