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Class 10 Science Chapter Light Reflection and Refraction - Part 1

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

Class 10th
30 Questions
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Q1 • MCQ • 1 marks
The SI unit of focal length is:
Q3 • MCQ • 1 marks
The principal focus of a convex mirror is:
Q4 • MCQ • 1 marks
The bouncing back of light from a surface is called:
Q5 • MCQ • 1 marks
The angle between incident ray and normal is called:
Q6 • MCQ • 1 marks
According to laws of reflection:
Q7 • MCQ • 1 marks
The persistence of vision of the human eye is approximately:
Q8 • MCQ • 1 marks
The image formed by a plane mirror is:
Q9 • MCQ • 1 marks
Image in plane mirror is:
Q10 • MCQ • 1 marks
A concave mirror is also called:
Q11 • MCQ • 1 marks
A convex lens is also called a:
Q12 • MCQ • 1 marks
A convex mirror is used as:
Q13 • MCQ • 1 marks
The centre of curvature lies:
Q14 • MCQ • 1 marks
The distance between pole and focus is called:
Q15 • MCQ • 1 marks
Relation between R and f is:
Q16 • MCQ • 1 marks
Concave mirror forms real image when object is:
Q17 • MCQ • 1 marks
Image at infinity is formed when object is at:
Q18 • MCQ • 1 marks
Convex mirror always forms image which is:
Q19 • MCQ • 1 marks
Which lens is thicker at the centre?
Q20 • MCQ • 1 marks
Magnification of plane mirror is:
Q21 • MCQ • 1 marks
Mirror formula is:
Q22 • MCQ • 1 marks
Bending of light when it enters another medium is:
Q23 • MCQ • 1 marks
The angle between the incident ray and the normal is called:
Q24 • MCQ • 1 marks
Refraction occurs due to change in:
Q25 • MCQ • 1 marks
The refractive index of water is approximately:
Q26 • MCQ • 1 marks
Refractive index (n) =
Q27 • MCQ • 1 marks
When light enters denser medium, it bends:
Q28 • MCQ • 1 marks
According to the law of reflection, the angle of incidence is:
Q29 • MCQ • 1 marks
Laws of refraction are given by:
Q30 • MCQ • 1 marks
Convex lens is:
Q31 • MCQ • 1 marks
The centre of the reflecting surface of a spherical mirror is called:

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