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Class 10 Science Chapter Light Reflection and Refraction - Part 6

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

Class 10th
43 Questions
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Q1 • MCQ • 1 marks
A plane mirror forms an image that is:
Q3 • MCQ • 1 marks
Which mirror can produce a magnified image?
Q4 • MCQ • 1 marks
The focal length of a lens is measured from:
Q5 • MCQ • 1 marks
Which lens always forms diminished images?
Q6 • MCQ • 1 marks
Which mirror is called a converging mirror?
Q7 • MCQ • 1 marks
Which mirror is called a diverging mirror?
Q8 • MCQ • 1 marks
Which lens is called a converging lens?
Q9 • MCQ • 1 marks
Which lens is called a diverging lens?
Q10 • MCQ • 1 marks
The image formed by a concave lens is always located:
Q11 • MCQ • 1 marks
The image formed by a convex mirror is always located:
Q12 • MCQ • 1 marks
The speed of light in vacuum is approximately:
Q13 • MCQ • 1 marks
Refraction of light occurs due to a change in:
Q14 • MCQ • 1 marks
Which quantity remains unchanged during refraction?
Q15 • MCQ • 1 marks
Which colour has the longest wavelength in visible light?
Q16 • MCQ • 1 marks
The refractive index of a medium depends on:
Q17 • MCQ • 1 marks
The principal axis of a spherical mirror is:
Q18 • MCQ • 1 marks
The aperture of a spherical mirror refers to:
Q19 • MCQ • 1 marks
The optical centre of a thin lens is the point where:
Q20 • MCQ • 1 marks
A convex lens of power +5 D has focal length:
Q21 • MCQ • 1 marks
A concave lens of power –4 D has focal length:
Q22 • MCQ • 1 marks
A lens of shorter focal length has:
Q23 • MCQ • 1 marks
Which mirror is used by ENT doctors?
Q24 • MCQ • 1 marks
Which colour has the shortest wavelength?
Q25 • MCQ • 1 marks
Which lens is commonly used in cameras?
Q26 • MCQ • 1 marks
Which lens is commonly used in binoculars?
Q27 • MCQ • 1 marks
Which eye defect occurs due to ageing?
Q28 • MCQ • 1 marks
Which eye defect is corrected by concave lenses?
Q29 • MCQ • 1 marks
Which eye defect is corrected by convex lenses?
Q30 • MCQ • 1 marks
Which defect may require bifocal lenses?
Q31 • MCQ • 1 marks
The retina contains:
Q32 • MCQ • 1 marks
Rod cells in the retina are mainly responsible for:
Q33 • MCQ • 1 marks
Cone cells are mainly responsible for:
Q34 • MCQ • 1 marks
The defect in which a person cannot distinguish certain colours is called:
Q35 • MCQ • 1 marks
Movies appear continuous because of:
Q36 • MCQ • 1 marks
Which instrument uses both reflection and refraction?
Q37 • MCQ • 1 marks
Which mirror forms only virtual images?
Q38 • MCQ • 1 marks
Which lens can produce both real and virtual images?
Q39 • MCQ • 1 marks
Which optical device is based mainly on reflection?
Q40 • MCQ • 1 marks
Which optical device is based mainly on refraction?
Q41 • MCQ • 1 marks
The image formed by a convex lens between F and 2F is:
Q42 • MCQ • 1 marks
The unit of focal length is:
Q43 • MCQ • 1 marks
The relationship between power and focal length is:
Q44 • MCQ • 1 marks
The image formed on the retina is interpreted by:

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