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संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
How is the focal length of a spherical mirror related to its radius
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
State two uses of a concave mirror.
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Which of the following has curved reflecting surface?
