Advertisements
Advertisements
प्रश्न
Part of the eye which controls the light entering is called
पर्याय
iris
cornea
lens
retina
Advertisements
उत्तर
iris
Explanation:
Iris is a dark muscular structure behind the cornea, which controls the amount of light entering into the eye.
APPEARS IN
संबंधित प्रश्न
What do you mean by the term reflection of light ?
State two uses of a plane mirror.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
The diagram below in figure shows an object XY in front of a plane mirror MM1 . Draw on the diagram, path of two rays from each point X and Y of the object to show the formation of its image .
An object 1.5 cm high when placed in front of a concave. the mirror produces a virtual image 3 cm high. If the object is placed at a distance of 6 cm from the pole of the mirror, calculate:
- the position of the image
- the focal length of the mirror.
Complete the path of incident ray in the following case.
The moon ______ sun light.
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
