हिंदी

State Whether the Following Statement is True of False: a Student Says that We Can See an Object Because Light from Our Eyes is Reflected Back by the Object. - Science

Advertisements
Advertisements

प्रश्न

State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.

Advertisements

उत्तर

False.We can see an object because light, on being reflected from the object, is scattered and diffused.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Reflection of Light - Exercise 1 [पृष्ठ १७३]

APPEARS IN

लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 4 Reflection of Light
Exercise 1 | Q 13 | पृष्ठ १७३

वीडियो ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्न

 A boy with a mouth 5 cm wide stands 2 m away from a plane mirror. Where is his image and how wide is the image of his mouth?


 Write all the capital letters of the alphabet which look the same in a plane mirror.


The figure given alongside shows the image of a clock as seen a plane mirror. The correct time is:
Figure

(a) 2.25
(b) 2.35
(c) 6.45
(d) 9.25


Explain how to read the following message which was found on some blotting paper:


A ray of light travelling in air is incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the completer path of this ray of light. Mark the two points where the refraction of light takes place. What can you say about the final direction of ray of light?


 A coin in a glass tumbler appears to rise as the glass tumbler is slowly filled with water. Name the phenomenon responsible for this effect.


A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it. 


Choose and write the correct option.

If we gradually increase the angle of incidence of a ray of light passing through prism then …..


Light changes its direction when going from one transparent medium to another transparent medium. This is called _______.


Identify the wrong figure from the following.


The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.


The angle of incidence from air to glass at the point O on the hemispherical glass slab is.


A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.


When light passes from one medium to another the ray gets bent. This property of light is called ______.


Light is refracted or bent while going from one medium to another because of its ______ changes.


Mirage is an example of refraction and the total internal reflection of light.


Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?


Why a pencil partly immersed in water appears to be bent at the water surface.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×