हिंदी

Right or wrong sentence. The incident rays and refracted rays are on opposite sides of the column.

Advertisements
Advertisements

प्रश्न

Right or wrong sentence.

The incident rays and refracted rays are on opposite sides of the column.

विकल्प

  • Right

  • Wrong

MCQ
सत्य या असत्य
Advertisements

उत्तर

The given sentence is wrong.

Explanation:

This statement is incorrect because, according to the laws of refraction, the incident ray and the refracted ray lie on opposite sides of the normal (an imaginary perpendicular line drawn at the point of incidence), not a “column”.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Refraction of light - Right or Wrong sentence [पृष्ठ २०]

APPEARS IN

एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
अध्याय 6 Refraction of light
Right or Wrong sentence | Q 1. | पृष्ठ २०

संबंधित प्रश्न

Name the phenomenon responsible for the following effect:

When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.


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


 The image in a plane mirror is virtual and laterally inverted. What does this statement mean?


A man stands 10 m in front of a large plane mirror. How far must the walk before he is 5 m away from his image?


A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is ______.


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


State two effects caused by the refraction 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.


With the help of a labelled diagram, explain why a tank full of water appears less deep than it actually is. 


Light travelling from a denser medium to a rarer medium along a normal to the boundary:

(a) is refracted towards the normal
(b) is refracted away from the normal
(c) goes along the boundary
(d) is not refracted


A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:

(a) 0°
(b) 45°
(c) 90°
(d) 120°


How does the light have to enter the glass: 

 for no refraction to happen? 


Light travels at a lower speed in water than in air.


Water is optically .......... than air.


What do you understand by refraction of light?


Choose and write the correct option.

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


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.


Due to _______ pencil looks bent in water, in the given experiment.


Identify the wrong figure from the following.


Observe the given figure and name the following.

Ray AB  
Ray NM  
Ray MD  
∠ r  

Explain the working of a periscope.


Why does a ray of light bend when it travels from one medium to another?


Assertion and reasoning type

  1. Assertion: If the refractive index of the medium is high (denser medium) the velocity of the light in that medium will be small
  2. Reason: Refractive index of the medium is inversely proportional to the velocity of the light

In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?


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


A water tank appears shallower when it is viewed from the top due to refraction. 


Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.


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


A ray of light starting from diamond is incident on the interface separating diamond and water. Draw a labelled ray diagram to show. the refraction of light in this case.


When a ray of light travels normal to the given surface, then the angle of refraction is ______.


The change in the direction of the path of light when it passes from one transparent medium to another transparent medium is called:


The part of light that enters into the other medium and travels in a straight path but in a direction different from its initial direction is called:


When light passes from one transparent medium to another, its direction changes due to:


According to the first law of refraction, the incident ray, the refracted ray, and the normal at the point of incidence:


According to the second law of refraction, for a given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction:


In the formula for absolute refractive index \[n = \frac{c}{v}\], the quantity c represents:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×