Chapter 5: Light - Science For Grade 8(Science ) Questions and Answers

Question 1. Cyan, yellow and magenta are
  1.    primary colors
  2.    white colors
  3.    secondary colors
  4.    tertiary colors
Explanation:-
Answer: Option C. -> secondary colors
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. Reflection obtained from a smooth surface is called a
  1.    regular reflection
  2.    irregular reflection
  3.    both a and b
  4.    none
Explanation:-
Answer: Option A. -> regular reflection
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The way of light is always in a
  1.    bend path
  2.    straight line
  3.    convergent path
  4.    divergent path
Explanation:-
Answer: Option B. -> straight line
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. In swimming pools they appear shallower than they are actual because of
  1.    reflection
  2.    refraction
  3.    both a and b
  4.    none
Explanation:-
Answer: Option B. -> refraction
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. An instrument which enables us to see things which are too small to be seen with naked eye is called
  1.    microscope
  2.    telescope
  3.    kaleidoscope
  4.    periscope
Explanation:-
Answer: Option A. -> microscope
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. A spinning of rainbow colors disc will produce
  1.    multi shape spin
  2.    white light
  3.    dispersed light
  4.    red light
Explanation:-
Answer: Option B. -> white light
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. Angle between incident ray and normal ray is called angle of
  1.    reflection
  2.    refraction
  3.    transmission
  4.    incident
Explanation:-
Answer: Option D. -> incident
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The angle of incidence is equal to the angle of
  1.    reflection
  2.    refraction
  3.    transmission
  4.    incident
Explanation:-
Answer: Option A. -> reflection
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The kind of shadow depends on the size and position of
  1.    object
  2.    light source
  3.    both a and b
  4.    sun
Explanation:-
Answer: Option C. -> both a and b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. When the speed decreases light bend towards
  1.    normal ray
  2.    incident ray
  3.    reflected ray
  4.    no ray
Explanation:-
Answer: Option A. -> normal ray
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
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