MEDIUM
8th CBSE
IMPORTANT
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A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in figure as A, B, C and D. In which position mirror will be visible?

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Important Questions on Light

EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 5

 A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure below. The ray of light coming out of the hole falls on a mirror.
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At which point should the eye be placed so that the hole can be seen?

MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 6
Two mirrors A and B are placed at right angles to each other as shown in the figure below:
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A ray of light incident on mirror A at an angle of 25° falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 7
 Which of the following statements is correct regarding rods and cones in the human eye? 
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>MULTIPLE CHOICE QUESTIONS>Q 8
 In the figure of the human eye (in the figure shown below), the cornea is represented by the letter:
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EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>VERY SHORT ANSWER QUESTIONS>Q 9
Name the part of the eye which gives colour to the eyes.
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>VERY SHORT ANSWER QUESTIONS>Q 10
Boojho while waving his hand very fast in front of his eyes, observes that his fingers appear blurred. What could be the reason for it?
HARD
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>VERY SHORT ANSWER QUESTIONS>Q 11
How many times is a ray of light reflected by two plane mirrors placed parallel and facing each other?
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Science - Class 8>Chapter 16 - Light>VERY SHORT ANSWER QUESTIONS>Q 12
The angle between incident ray and reflected ray is 600. What is the value of the angle of incidence?