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Class 10 Science Chapter The Human Eye and the Colourful World - Part 4

NCERT & CBSE Based Class 10 Science Chapter the Human Eye and the Colourful World.

Class 10th
40 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Which colour is at the top of a rainbow?
Q3 • MCQ • 1 marks
Which colour is at the bottom of a rainbow?
Q4 • MCQ • 1 marks
A rainbow is generally seen:
Q5 • MCQ • 1 marks
Dispersion occurs because different colours have:
Q6 • MCQ • 1 marks
Violet light bends more than red light because it:
Q7 • MCQ • 1 marks
The colour used in danger signals is:
Q8 • MCQ • 1 marks
A person with presbyopia often uses:
Q9 • MCQ • 1 marks
Red light is used in danger signals because it:
Q10 • MCQ • 1 marks
Which phenomenon explains the blue colour of smoke?
Q11 • MCQ • 1 marks
The apparent shift in the position of stars is due to:
Q12 • MCQ • 1 marks
Which defect causes difficulty in seeing distant objects?
Q13 • MCQ • 1 marks
Which colour of light has the lowest energy?
Q14 • MCQ • 1 marks
The Tyndall effect is shown by:
Q15 • MCQ • 1 marks
Which of the following is a colloid?
Q16 • MCQ • 1 marks
The power of accommodation decreases with:
Q17 • MCQ • 1 marks
The sky appears dark to astronauts because:
Q18 • MCQ • 1 marks
During sunset, the Sun appears:
Q19 • MCQ • 1 marks
The wavelength of visible light ranges approximately from:
Q20 • MCQ • 1 marks
Which colour has the highest energy?
Q21 • MCQ • 1 marks
The principal cause of atmospheric refraction is:
Q22 • MCQ • 1 marks
The scattering of light increases when the wavelength:
Q23 • MCQ • 1 marks
Blue light is scattered more because it has:
Q24 • MCQ • 1 marks
Which colour is least affected by atmospheric scattering?
Q25 • MCQ • 1 marks
Which phenomenon is responsible for the formation of a rainbow?
Q26 • MCQ • 1 marks
The human eye can distinguish approximately:
Q27 • MCQ • 1 marks
The eye lens becomes thicker to focus on:
Q28 • MCQ • 1 marks
The eye lens becomes thinner to focus on:
Q29 • MCQ • 1 marks
The aqueous humour is present between the:
Q30 • MCQ • 1 marks
Which eye defect is caused by reduced flexibility of the eye lens?
Q31 • MCQ • 1 marks
Which of the following is NOT a defect of vision?
Q32 • MCQ • 1 marks
Which colour undergoes maximum scattering in the atmosphere?
Q33 • MCQ • 1 marks
Which statement is true?
Q34 • MCQ • 1 marks
The crystalline lens in the human eye is:
Q35 • MCQ • 1 marks
The power of accommodation of the eye is maximum in:
Q36 • MCQ • 1 marks
Which part of the eye protects it from dust and excessive light?
Q37 • MCQ • 1 marks
Tears are produced by:
Q38 • MCQ • 1 marks
Which part of the eye changes its curvature during accommodation?
Q39 • MCQ • 1 marks
A myopic person can clearly see:
Q40 • MCQ • 1 marks
A hypermetropic person can clearly see:
Q41 • MCQ • 1 marks
Which of the following is NOT part of the human eye?

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