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CBSE Notes 2011-2012 » X-Science-Term2

The Human Eye and the Colourful World

Which of the following phenomena contributes significantly to the reddish appearance of the sun at s...

Multiple choice question

Which of the following phenomena contributes
significantly to the reddish appearance of the sun at sunrise
or sunset ?

The bluish colour of water in deep sea is due to

Multiple choice question

The bluish colour of water in deep sea is due to

When light rays enter the eye, most of the refraction occurs at the

Multiple choice question

When light rays enter the eye, most of the refraction occurs
at the

The focal length of the eye lens increases when eye muscles

Multiple choice question

The focal length of the eye lens increases when eye muscles

Which of the following statement is correct ?

Multiple choice question

Which of the following statement is correct ?

A student sitting on the last bench can read the letters written on the blackboard but is not able t...

Multiple choice question

A student sitting on the last bench can read the letters written
on the blackboard but is not able to read the letters written
in his text book. Which of the following statements is
correct ?

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