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प्रश्न
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
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उत्तर
When an object is placed between the optical center and principal focus of a convex lens:
Since the image formed is virtual and erect, the sign of magnification will be positive. Moreover, the image formed is magnified; therefore, the absolute value of magnification will be greater than one.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
A ray of light is incident normally on a plane mirror. What will be the
angle of incidence?
The letter F is placed in front of a plane mirror:
What is the name of the phenomenon involved?
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
Is real image always inverted?
Define the term Normal.
Which of the following has curved reflecting surface?
