Advertisements
Advertisements
Question
An erect and enlarged image of an object is formed on a screen. Explain how this could be possible.
Solution
An erect and enlarged image of an object can be obtained on a screen if the object is placed upside down between principal focus and twice the length of principal focus of the convex lens.
APPEARS IN
RELATED QUESTIONS
Which type of mirror is used in the following?
Periscope
Under what condition in an arrangement of two plane mirrors, incident ray and reflected ray will always be parallel to each other, whatever may be angle of incidence. Show the same with the help of diagram.
If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and the image formed by the mirror will be
A rainbow can be seen in the sky
The outer surface of a flat steel plate acts as a ___________ mirror.
You are given three mirrors of different types. How will you identify each one of them?
A person AB of height 170 cm is standing in front of a vertical plane mirror. His eyes are at height 164 cm from ground. At what distance from P should a hole be made in the mirror so that he cannot see the top of his head?
A plane mirror is moving with velocity `4hati + 5hatj + 8hatk`. A point object in front of the mirror moves with a velocity of `3hati + 4hatj + 5hatk`. Here `hatk` is along the normal to the plane mirror and facing toward the object. The velocity of the image is ______.
If two plane mirrors are kept at 60° to each other, then the number of images formed by them is ______.
Which type of mirror is used in the following?
Kaleidoscope