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    Physics
    Grade-10
    Easy

    Question

    What is the color of sunlight? 

    1. Red
    2. White
    3. Green
    4. Yellow

    Hint:

    The sun emits all colors of the rainbow

    The correct answer is: White

      We can observe on the paper that the sunlight is split into a spectrum of colours like a rainbow, every colour in VIBGYOR pattern i.e., violet, indigo, blue, green, yellow, orange and red can be seen.The color of the sun is white. The sun emits all colors of the rainbow more or less evenly and in physics, we call this combination "white"

      Related Questions to study

      Grade-10
      Physics

      A rainbow is formed when sunlight is dispersed by _____. 

      1. Prism
      2. Glass slab
      3. Olive oil
      4. Water droplets

      A rainbow is formed when sunlight is dispersed by _____. 

      PhysicsGrade-10
      1. Prism
      2. Glass slab
      3. Olive oil
      4. Water droplets
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      The phenomenon of splitting of white light into its constituent colors is called ______ of light. 

      1. Colors
      2. Diffraction
      3. Dispersion
      4. Refraction

      The phenomenon of splitting of white light into its constituent colors is called ______ of light. 

      PhysicsGrade-10
      1. Colors
      2. Diffraction
      3. Dispersion
      4. Refraction
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      Physics

      Which of these colors does the white light not have in it? 

      1. Red
      2. Green
      3. Blue
      4. None of the above

      Which of these colors does the white light not have in it? 

      PhysicsGrade-10
      1. Red
      2. Green
      3. Blue
      4. None of the above
      parallel
      Grade-10
      Physics

      In which of the following places would you not see the effects of atmospheric refraction?

      1. Beach
      2. Jungle
      3. Underwater
      4. Outer space

      In which of the following places would you not see the effects of atmospheric refraction?

      PhysicsGrade-10
      1. Beach
      2. Jungle
      3. Underwater
      4. Outer space
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      Light from air at a temperature of 27 degrees Celsius enters a layer of the atmosphere at 29 degrees Celsius. The light ray ______ on entering the latter.

      1. Bends away from the normal line
      2. Bends towards the normal line
      3. Bends to align itself to the normal line
      4. Does not bend at all

      Light from air at a temperature of 27 degrees Celsius enters a layer of the atmosphere at 29 degrees Celsius. The light ray ______ on entering the latter.

      PhysicsGrade-10
      1. Bends away from the normal line
      2. Bends towards the normal line
      3. Bends to align itself to the normal line
      4. Does not bend at all
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      Physics

      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the highest refractive index.

      1. 12
      2. 25
      3. 27
      4. 30

      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the highest refractive index.

      PhysicsGrade-10
      1. 12
      2. 25
      3. 27
      4. 30
      parallel
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      Physics

      The _____ sunrise and _____ sunset is caused due to atmospheric refraction.

      1. Advanced, delayed
      2. Delayed, advanced
      3. Advanced, advanced
      4. Delayed, delayed

      The _____ sunrise and _____ sunset is caused due to atmospheric refraction.

      PhysicsGrade-10
      1. Advanced, delayed
      2. Delayed, advanced
      3. Advanced, advanced
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      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the lowest refractive index.

      1. 12
      2. 25
      3. 27
      4. 30

      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the lowest refractive index.

      PhysicsGrade-10
      1. 12
      2. 25
      3. 27
      4. 30
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      When the incandescent bulbs are seen through a turbulent stream of hot air rising above a fire, they appear to be __________.

      1. Twinkling
      2. Flickering
      3. Stable
      4. Hazy 

      When the incandescent bulbs are seen through a turbulent stream of hot air rising above a fire, they appear to be __________.

      PhysicsGrade-10
      1. Twinkling
      2. Flickering
      3. Stable
      4. Hazy 
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      Which of the following is not an effect of atmospheric refraction?

      1. Advance sunrise
      2. Twinkling of stars
      3. Formation of a rainbow
      4. Delayed sunset

      Which of the following is not an effect of atmospheric refraction?

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      1. Advance sunrise
      2. Twinkling of stars
      3. Formation of a rainbow
      4. Delayed sunset
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      The refractive index of the atmosphere is _____ related to its refractive index.

      1. Directly
      2. Indirectly
      3. Inversely
      4. Not 

      The refractive index of the atmosphere is _____ related to its refractive index.

      PhysicsGrade-10
      1. Directly
      2. Indirectly
      3. Inversely
      4. Not 
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      Planets can be considered as _____ sources of light.

      1. Point-sized 
      2. Extended
      3. Yellow
      4. None of the above

      Planets can be considered as _____ sources of light.

      PhysicsGrade-10
      1. Point-sized 
      2. Extended
      3. Yellow
      4. None of the above
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      Physics

      When the incandescent bulbs are seen through a turbulent stream of hot air rising above a fire, they appear to be flickering. Why?

      1. The refractive index of the air above the fire is not stationary
      2. The temperature of the air above the fire is not stationary
      3. The physical conditions of the air above the fire are not stationary
      4. All of the above

      When the incandescent bulbs are seen through a turbulent stream of hot air rising above a fire, they appear to be flickering. Why?

      PhysicsGrade-10
      1. The refractive index of the air above the fire is not stationary
      2. The temperature of the air above the fire is not stationary
      3. The physical conditions of the air above the fire are not stationary
      4. All of the above
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      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the highest refractive index.

      1. 24
      2. 18
      3. 47
      4. 35

      The temperatures at which the various layers of the atmosphere are present are given below in terms of degree Celsius. Identify the layer which has the highest refractive index.

      PhysicsGrade-10
      1. 24
      2. 18
      3. 47
      4. 35
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      Physics

      Light from air at a temperature of 37 degrees Celsius enters a layer of the atmosphere at 29 degrees Celsius. The light ray ______ on entering the latter.

      1. Bends away from the normal line
      2. Bends towards the normal line
      3. Bends to align itself to the normal line
      4. Does not bend at all

      Light from air at a temperature of 37 degrees Celsius enters a layer of the atmosphere at 29 degrees Celsius. The light ray ______ on entering the latter.

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      1. Bends away from the normal line
      2. Bends towards the normal line
      3. Bends to align itself to the normal line
      4. Does not bend at all
      parallel

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