image

    Have a query? Ask a Tutor!!

    Access to best educators and exclusive paper discussions

    Can’t find what you’re looking for?

    Our tutors are from top schools around the world, and they are waiting for you 24/7, anytime, anywhere.

    • Homework- One to One Solutions
    • Understand concepts to solve better
    • Get your doubts solved instantly
    science
    Grade-7
    Easy

    Question

    The imaginary line drawn perpendicular to the interface between two mediums at the point of incidence is called the ____.

    1. Incident ray
    2. Refracted ray
    3. Emergent ray
    4. Normal line 

    Hint:

    Laws of reflection

    The correct answer is: Normal line

      • A normal is an imaginary line drawn perpendicular to the reflecting surface at the point of incidence.
      • So, the correct option is d.

      Related Questions to study

      Grade-7
      science

      The eye lens focuses the light coming from an object on the ____.

      1. Retina
      2. Cornea
      3. Blind spot
      4. Sclera 

      The eye lens focuses the light coming from an object on the ____.

      scienceGrade-7
      1. Retina
      2. Cornea
      3. Blind spot
      4. Sclera 
      Grade-7
      science

      This bending of light makes the lenses, magnifying glasses, and prisms functional, as they all ____ light rays entering them to accomplish their tasks.

      1. Bend
      2. Do not bend
      3. Disperse
      4. Converge

      This bending of light makes the lenses, magnifying glasses, and prisms functional, as they all ____ light rays entering them to accomplish their tasks.

      scienceGrade-7
      1. Bend
      2. Do not bend
      3. Disperse
      4. Converge
      Grade-7
      science

      A ray of light enters a rarer medium from a denser medium. It ____.

      1. Reflects Goes along the normal
      2. Bends towards the normal
      3. Bends away from the normal
      4. Goes along the interface

      A ray of light enters a rarer medium from a denser medium. It ____.

      scienceGrade-7
      1. Reflects Goes along the normal
      2. Bends towards the normal
      3. Bends away from the normal
      4. Goes along the interface
      parallel
      Grade-7
      science

      A glass slab ___ most of the light falling on them.

      1. Reflects
      2. Refracts
      3. Absorbs 
      4. None of the above

      A glass slab ___ most of the light falling on them.

      scienceGrade-7
      1. Reflects
      2. Refracts
      3. Absorbs 
      4. None of the above
      Grade-7
      science

      Why does a coin at the bottom of a tumbler filled with water appear to be raised?

      1. Reflection of light
      2. Transmission of light
      3. Refraction of light
      4. Absorption of light

      Why does a coin at the bottom of a tumbler filled with water appear to be raised?

      scienceGrade-7
      1. Reflection of light
      2. Transmission of light
      3. Refraction of light
      4. Absorption of light
      Grade-7
      science

      A ray of light enters a denser medium from a rarer medium. It ____.

      1. Goes along the normal
      2. Bends towards the normal
      3. Bends away from the normal
      4. Goes along the interface

      A ray of light enters a denser medium from a rarer medium. It ____.

      scienceGrade-7
      1. Goes along the normal
      2. Bends towards the normal
      3. Bends away from the normal
      4. Goes along the interface
      parallel
      Grade-7
      science

      Pick the odd one out.

      1. Eye lens
      2. Magnifying glass
      3. Prism
      4. Mirror 

      Pick the odd one out.

      scienceGrade-7
      1. Eye lens
      2. Magnifying glass
      3. Prism
      4. Mirror 
      Grade-7
      science

      Magnifying glasses work on the principle of ____.

      1. Reflection of light
      2. Refraction of light
      3. Transmission of light
      4. Absorption of light

      Magnifying glasses work on the principle of ____.

      scienceGrade-7
      1. Reflection of light
      2. Refraction of light
      3. Transmission of light
      4. Absorption of light
      Grade-7
      science

      Air is a ____ object.

      1. Transparent
      2. Translucent 
      3. Opaque
      4. None of the above

      Air is a ____ object.

      scienceGrade-7
      1. Transparent
      2. Translucent 
      3. Opaque
      4. None of the above
      parallel
      Grade-7
      science

      A partially immersed pencil in water appears bent because of ____.

      1. Reflection of light 
      2. Refraction of light
      3. Transmission of light
      4. Absorption of light

      A partially immersed pencil in water appears bent because of ____.

      scienceGrade-7
      1. Reflection of light 
      2. Refraction of light
      3. Transmission of light
      4. Absorption of light
      Grade6
      science

      Daniel wanted to design an aquarium on his own for his fish. He wants to see his fish swimming in the water all the time. Which of the following materials will be best suitable for this purpose?

      1. Frosted glass
      2. Concrete 
      3. Wood
      4. Clear glass

      Daniel wanted to design an aquarium on his own for his fish. He wants to see his fish swimming in the water all the time. Which of the following materials will be best suitable for this purpose?

      scienceGrade6
      1. Frosted glass
      2. Concrete 
      3. Wood
      4. Clear glass
      Grade6
      science

      Which of the following produce their own light?

      1. Sun
      2. Alpha Centauri
      3. Trans Cell phone lucent, non-luminous
      4. All of the above

      Which of the following produce their own light?

      scienceGrade6
      1. Sun
      2. Alpha Centauri
      3. Trans Cell phone lucent, non-luminous
      4. All of the above
      parallel
      Grade6
      science

      A sheet of polythene is _____ and _____.

      1. Transparent, non-luminous
      2. Opaque, luminous
      3. Translucent, non-luminous
      4. Opaque, non-luminous

      A sheet of polythene is _____ and _____.

      scienceGrade6
      1. Transparent, non-luminous
      2. Opaque, luminous
      3. Translucent, non-luminous
      4. Opaque, non-luminous
      Grade6
      science

      Wilson could see a coin when it fell in a bucket full of water. This is because ____.

      1. Water is translucent
      2. Water is transparent
      3. Water is luminous
      4. Water is opaque

      Wilson could see a coin when it fell in a bucket full of water. This is because ____.

      scienceGrade6
      1. Water is translucent
      2. Water is transparent
      3. Water is luminous
      4. Water is opaque
      Grade6
      science

      Pick the odd one out.

      1. Sun
      2. Moon
      3. Stars
      4. Lightning

      Pick the odd one out.

      scienceGrade6
      1. Sun
      2. Moon
      3. Stars
      4. Lightning
      parallel

      card img

      With Turito Academy.

      card img

      With Turito Foundation.

      card img

      Get an Expert Advice From Turito.

      Turito Academy

      card img

      With Turito Academy.

      Test Prep

      card img

      With Turito Foundation.