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Class 10 Science Chapter Light Reflection and Refraction - Part 4

Class 10 Science Chapter Light Reflection and Refraction include image formation by mirrors, refraction through different media, and measuring refractive indices..

Class 10th
40 Questions
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Q1 • MCQ • 1 marks
A concave lens always forms an image that is:
Q3 • MCQ • 1 marks
Power of a lens is measured in:
Q4 • MCQ • 1 marks
One dioptre is the power of a lens whose focal length is:
Q5 • MCQ • 1 marks
A lens of focal length 50 cm has power:
Q6 • MCQ • 1 marks
A concave lens of focal length 50 cm has power:
Q7 • MCQ • 1 marks
Myopia is caused when the image forms:
Q8 • MCQ • 1 marks
Hypermetropia is caused when the image forms:
Q9 • MCQ • 1 marks
The relation between radius of curvature (R) and focal length (f) is:
Q10 • MCQ • 1 marks
A myopic person can see clearly:
Q11 • MCQ • 1 marks
A hypermetropic person can see clearly:
Q12 • MCQ • 1 marks
The near point of a normal eye is:
Q13 • MCQ • 1 marks
Presbyopia generally occurs due to:
Q14 • MCQ • 1 marks
Presbyopia affects the ability to see:
Q15 • MCQ • 1 marks
A person suffering from both myopia and hypermetropia uses:
Q16 • MCQ • 1 marks
The retina acts like a:
Q17 • MCQ • 1 marks
A convex lens forms a real image when the object is:
Q18 • MCQ • 1 marks
The image formed on the retina is:
Q19 • MCQ • 1 marks
The eye lens is:
Q20 • MCQ • 1 marks
The ability of the eye lens to adjust focal length is called:
Q21 • MCQ • 1 marks
The coloured part of the eye is:
Q22 • MCQ • 1 marks
A concave lens always forms:
Q23 • MCQ • 1 marks
The opening in the iris is called:
Q24 • MCQ • 1 marks
The iris controls the:
Q25 • MCQ • 1 marks
The transparent front part of the eye is:
Q26 • MCQ • 1 marks
The optic nerve carries signals from:
Q27 • MCQ • 1 marks
Which mirror can produce both real and virtual images?
Q28 • MCQ • 1 marks
Which statement is correct?
Q29 • MCQ • 1 marks
The SI unit of power of a lens is:
Q30 • MCQ • 1 marks
Magnification produced by a lens is:
Q31 • MCQ • 1 marks
The power of a lens of focal length 2 m is:
Q32 • MCQ • 1 marks
The power of a lens of focal length 50 cm is:
Q33 • MCQ • 1 marks
A concave lens always has:
Q34 • MCQ • 1 marks
A convex lens always has:
Q35 • MCQ • 1 marks
Which mirror is used in torches and vehicle headlights?
Q36 • MCQ • 1 marks
Which mirror is used in reflecting telescopes?
Q37 • MCQ • 1 marks
Convex mirrors are preferred as rear-view mirrors because they:
Q38 • MCQ • 1 marks
Which mirror always forms diminished images?
Q39 • MCQ • 1 marks
A real image can be obtained on a screen by using:
Q40 • MCQ • 1 marks
The optical centre of a lens is the point through which a ray:
Q41 • MCQ • 1 marks
A virtual image cannot be:

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