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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Select the Correct Alternative the Angle Between the Incident Ray and the Ray Reflected from the Plane Mirror is 70°. the Angle of Incidence Will Be : 70° 30° 35° 90 - Physics

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प्रश्न

 Select the correct alternative

The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :

विकल्प

  • 70°

  • 30°

  • 35°

  • 90° 

MCQ

उत्तर

35°

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Images Formed by a Plane Mirrors
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Light Energy - Objective Questions

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सेलिना Concise Physics [English] Class 7 ICSE
अध्याय 4 Light Energy
Objective Questions | Q 4.02

संबंधित प्रश्न

The diagram in fig. shows an incident ray AO and the normal ON on a plane mirror. Draw the reflected ray. State the law you use to draw the direction of the reflected ray.


Write three characteristics of the image formed by a plane mirror?


An object is kept at 60 cm in front of a plane mirror. If the mirror is now moved 25 cm away from the object, how does the image shift from its previous position? 


An optician while testing the eyes of a patient keeps a chart of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in a plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient? 


Two plane mirrors are placed making an angle θ° in between them. For an object placed in between the mirrors, if angle is gradually increased from 0° to 180°, how will the number of images change : increase, decrease or remain unchanged?


Explain the following term:

Normal Draw

diagram/diagrams to show them.


(a) What do you understand by the term lateral inversion?
(b) A printed card has letters PHYSICS. By drawing the diagram show the appearance of the letters. (No ray diagram is required).


State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.


Select the correct option:

If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will:


Explain with a suitable diagram, the converging of a parallel beam of light rays by a concave mirror.

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