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light-reflection and refraction Science - light-reflection and refraction

Gujarat Board (GSEB) - STD 10 - Science (GSEB - English Medium). 223 questions in this chapter.

Question types

light-reflection and refraction question types

223 questions across 7 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

223
Questions
7
Question groups
5
Question types
Sample Questions

light-reflection and refraction questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q1 Mark
Refractive index of glass is maximum for $..........$ coloured light.
  • ✓
    violet
  • B
    green
  • C
    blue
  • D
    red

Answer: A.

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Q 2M.C.Q1 Mark
Amount of light entering eye is controlled by _______ .
  • A
    eye lens
  • B
    retina
  • C
    ciliary muscles
  • ✓
    iris

Answer: D.

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Q 28[3 Mark Questions]3 Marks
Draw neat ray diagrams and describe the position, nature and size of the image formed by a concave mirror of small aperture for the following positions of the object placed in front of it: (2 Mark Each) $(1)$ At infinity $(2)$ At a finite distance beyond $C$ $(3)$ At $C$ $(4)$ Between $C$ and $F$ $(5)$ At $F$ (6) Between $P$ and $F$
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Q 29[3 Mark Questions]3 Marks
An object of size $7.0 \ cm$ is placed at $27 \ cm$ in front of a concave mirror of focal length $18 \ cm$. At what distance from the mirror should a screen be placed, so that a sharp focussed image can be obtained? Find the size and the nature of the image.
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Q 33[4 marks Questions]4 Marks
Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is $1 m$. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is $25 cm$.
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