मराठी

Where is the Image When You Look at Something in a Mirror? - Science

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. 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Reflection of Light - Exercise 1 [पृष्ठ १७३]

APPEARS IN

लखमीर सिंह Physics (Science) [English] Class 10
पाठ 4 Reflection of Light
Exercise 1 | Q 14 | पृष्ठ १७३

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

What type of reflection of light takes place from a cinema screen?


 An extended object in the form of an arrow pointing upward has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.


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


The angle of reflection is equal to the angle of incidence:

(a) always
(b) sometimes
(c) under special conditions
(d) never


An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.


A man sits in an optician's chair looking into  plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?

 


If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?


A ray of light goes from water into air. Will it bend towards the normal or away from the normal?


Light travels more quickly through water than through glass. 

 Which is optically denser : water or glass? 

 


A ray of light A incident from air suffers partial reflection and refraction at the boundary of water. 

  1. Complete the diagram showing (i) the reflected ray B and (ii) the refracted ray C.
  2. How are the angles of incidence i and refraction r related?

Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.


List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre. 


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


The incident rays and refracting rays are on opposite sides of the normal.


The refractive index of four substances A, B, C, and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is maximum in


You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?


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?


Match the following:

  Column I   Column II
1. r > 90 a. Light gazes at the surface of separation between the two modes.
2. r = 90 b. No refraction.
3. r < 90 c. Refracted ray away from the normal

The bottom of swimming pool appears to be less deep than the actual one because of


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×