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Why does pupil always appear black?...

Why does pupil always appear black?

A

It does not allow light to pass.

B

It does not reflect light.

C

It has no cones cells.

D

It has no rods cells.

Text Solution

Verified by Experts

The correct Answer is:
B
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  2. Which part of the eye controls the amount of light entering the pupil?

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  3. Why does pupil always appear black?

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  4. Which part allows light to enter the eye ?

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  5. Which of these protects the inner part of the eye?

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  6. How many images will be formed if the angle between two mirrors is 60^...

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  7. How are mirrors arranged in a kaleidoscope?

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  8. How many images are formed when two plane mirrors are placed parallel...

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  9. Which of the following works on the concept of multiple reflections?

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  10. What are real and virtual images ? How will you find out whether an im...

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  11. An arrow pointing towards the right is placed in front of a mirror. In...

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  12. A toy car is placed at 15 cm in the front of the plane mirror. What is...

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  13. A candle of height 30 cm is placed in front of the mirror. What will b...

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  14. What is the shape of the plane mirror?

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  15. An Image which can be obtained on a screen is called a image.

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  16. Which property of plane mirror makes 'right appear as left' and vice v...

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  17. Image formed by a plane mirror is

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  18. Which of the following can produce a regular reflection?

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  19. Which of the following decides the type of reflection?

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  20. Which type of surface causes diffused reflection?

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