Advertisements
Advertisements
प्रश्न
A person is looking at the image of a tree in a mirror placed 3.5 m in front of him. Given that the tree is at 0.5 m behind his eyes. Find the distance between the image of the tree and his eyes. What are needed to see an object?
Advertisements
उत्तर
Distance between the person and the mirror = 3.5 m
Distance between the person and tree (object) = 0.5 m
The image formed in the mirror = 4 m
The distance between the image of the tree and his eyes = 4 + 3.5 = 7.5
APPEARS IN
संबंधित प्रश्न
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is ...........
Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.
Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
A ray of light travels from a rarer medium to a denser medium. How will it bend?
State the changes in the position, size and nature of the image when the object is brought from infinity up to a concave lens. Illustrate your answer by drawing ray diagrams.
A lens always forms an image between the object and the lens. State three characteristics of the image.
Say TRUE or FALSE
The image formed in a pinhole camera is always the same size as the object
The image formed by a plane mirror is ______.
A real image is inverted and can be caught on the screen.
