Advertisements
Advertisements
प्रश्न
Where is the image when you look at something in a mirror?
Advertisements
उत्तर
When we look at something in a mirror, the image formed is behind it.
APPEARS IN
संबंधित प्रश्न
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
A ray of light strikes a plane mirror such that its angle of incidence is 30°. What angle does the reflected ray make with the mirror surface?
What is meant by 'reflection of light'?
The image in a plane mirror is virtual and laterally inverted. What does this statement mean?
Write all the capital letters of the alphabet which look the same in a plane mirror.
Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
Name the phenomenon due to which a pencil partly immersed in water and held obliquely appears to be bent at the water surface.
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of incidence?
Light travels at a lower speed in water than in air.
Water is optically .......... than air.
The diagram (figure) given below shows two parallel rays 1 and 2 incident on (a) a concave mirror, (b) a convex mirror. Draw the reflected rays and mark the focus by the symbol F.
Choose and write the correct option.
If we gradually increase the angle of incidence of a ray of light passing through prism then …..
Define the principal focus of a concave mirror.
List in proper sequence the steps of the experiment for determining the approximate focal length of a given concave mirror by obtaining the image of a distant object.
Identify the wrong figure from the following.
Assertion and reasoning type
- Assertion: If the refractive index of the medium is high (denser medium) the velocity of the light in that medium will be small
- Reason: Refractive index of the medium is inversely proportional to the velocity of the light
What is refractive index?
Which object use the reflection of light?
The phenomenon of light passing through the object is called ______.
A star appears twinkling into the sky because of the reflection of light by the atmosphere.
