Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
A concave mirror converges the light-rays, but a convex mirror diverges them.
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.
A ray of light falls normally on a glass slab. What is the angle of incidence?
You can see your image in polished floors, but not in wooden table because ______.
Say TRUE or FALSE
The image formed in a pinhole camera is always the same size as the object
A boy of height 1m 45 cm is standing in front of a long mirror at a distance of 2 m. From this information, fill up the following sentences:
- The distance between the boy and his image is ______
- The height of the image is______
- When the boy moves 1m forward, the distance between her and her image is______
A virtual image is ______.
Write the difference between real images and virtual images.
A real image is inverted and can be caught on the screen.
