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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

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

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प्रश्न

Right or wrong sentence.

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

पर्याय

  • Right

  • Wrong

MCQ
चूक किंवा बरोबर
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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”.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Refraction of light - Right or Wrong sentence [पृष्ठ २०]

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संबंधित प्रश्‍न

  Column I Column II Column III
1 Dispersion Long-sightedness Twinkling of stars
2 Refraction Splitting of white light into component colours Convex lens
3 Hypermetropia Change in the direction of the ray of light due to change in medium Spectrum of seven colours

If an object is placed at a distance of 10 cm in from of a plane mirror, how far would it be from its image?


What are the important differences between looking at a photograph of your face and looking at yourself in a plane mirror?


What is meant by 'reflection of light'?


Define the following terms used in the study of reflection of light by drawing a labelled ray-diagram:

  1. Incident ray
  2. Point of incidence
  3. Normal
  4. Reflected ray
  5. Angle of incidence
  6. Angle of reflection

The image formed by a plane mirror is :

(a) virtual, behind the mirror and enlarged.
(b) virtual, behind the mirror and of the same size as the object.
(c) real, at the surface of the mirror and enlarged.
(d) real, behind the mirror and of the same size as the object.


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?

 


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


When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?


As light rays pass from water into glass, are they refracted towards the normal or away from the normal?


State whether the following statement is true or false:

Refraction occurs because light slows down in denser materials.


What is meant by ‘refraction of light’?


Explain with the help of a labelled ray diagram, why a pencil partly immersed in water appears to be bent at the water surface. State whether the bending of pencil will increase or decrease if water is replaced by another liquid which is optically more dense than water. Give reason for your answer.


The speed of light is more in glass than in water.


The depth of a pond when seen from above appears to be less.


Air is optically .......... than glass.


When a ray of light travels from air to glass, it bends .......... the normal.


What do you understand by refraction of light?


Draw suitable diagrams to illustrate how a beam of light incident parallel to the principal axis is reflected by:
(a) a concave mirror, and (b) a convex mirror


A real image is formed by the light rays after reflection or refraction when they:

  1. actually meet or intersect with each other.
  2. actually converge at a point.
  3. appear to meet when they are produced in the backward direction.
  4. appear to diverge from a point.

Which of the above statements are correct?


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


Write scientific reason.

The sun appears on the western horizon for some time after sunset.


Observe the given figure and write appropriate phenomenon of light in the box.


State whether true or false. If false, correct the statement.

The angle of deviation depends on the refractive index of the glass.


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

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 bends as it passes from one medium to another. What is this phenomenon called?


The ratio of the sine of the angle of incidence to the sine of ______ is constant.


Under what circumstances there won’t be any refraction of light when it enters from one medium to another?


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


In refraction of light through a glass slab, the directions of the incident ray and the refracted ray are ______.


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


When light travels from a denser medium to a rarer medium, its speed:


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