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Bihar Board Class 10 (BSEB) Light - Reflection and Refraction — practice questions

Explore 57 free Light - Reflection and Refraction questions in Bihar Board Class 10 (BSEB) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Light - Reflection and Refraction questions and exercises with answers

Showing questions 1–30 of 57.

According to the law of reflection, the angle of incidence is equal to the:Read the answer and worked solution →A concave mirror is also known as a:Read the answer and worked solution →A convex mirror is also known as a:Read the answer and worked solution →The image formed by a plane mirror is:Read the answer and worked solution →The bending of light as it passes from one transparent medium into another is called:Read the answer and worked solution →A convex lens is a:Read the answer and worked solution →A concave lens is a:Read the answer and worked solution →The distance between the pole and the principal focus of a spherical mirror is called the:Read the answer and worked solution →For a spherical mirror, the focal length f and radius of curvature R are related by:Read the answer and worked solution →The type of mirror used as a rear-view (wing) mirror in vehicles is a:Read the answer and worked solution →A concave mirror is used by dentists and for shaving because it can form a:Read the answer and worked solution →The refractive index of a medium compares the speed of light in:Read the answer and worked solution →Light is assumed, in this chapter, to travel in:Read the answer and worked solution →Which property is true of an image formed by a plane mirror?Read the answer and worked solution →The principal focus of a spherical mirror, for small apertures, lies:Read the answer and worked solution →A spherical mirror has a radius of curvature of 24 cm. Its focal length is:Read the answer and worked solution →A concave mirror forms a tiny, real, inverted image at its focus when the object is placed:Read the answer and worked solution →An image formed by a convex mirror is always:Read the answer and worked solution →The mirror formula relating object distance u, image distance v, and focal length f is:Read the answer and worked solution →A concave mirror forms a virtual, erect image. The magnification m must be:Read the answer and worked solution →Light bends when it passes from one transparent medium to another. This phenomenon is called:Read the answer and worked solution →The refractive index of a medium is 1.5. The speed of light in this medium is:Read the answer and worked solution →According to the laws of reflection, the angle of reflection equals:Read the answer and worked solution →The image formed by a plane mirror is:Read the answer and worked solution →A spherical mirror whose reflecting surface curves inwards (towards the centre of the sphere) is called:Read the answer and worked solution →For a spherical mirror of small aperture, the relation between radius of curvature R and focal length f is:Read the answer and worked solution →A concave mirror has a radius of curvature of 20 cm. Its focal length is:Read the answer and worked solution →Which mirror is used as a rear-view mirror in vehicles?Read the answer and worked solution →An object is placed at the centre of curvature C of a concave mirror. Its image is:Read the answer and worked solution →The New Cartesian Sign Convention takes distances measured against the direction of incident light as:Read the answer and worked solution →

Worked practice questions

According to the law of reflection, the angle of incidence is equal to the:

  1. angle of reflection
  2. angle of refraction
  3. radius of curvature
  4. focal length
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Correct answer: A. angle of reflection

Law of reflection: angle of incidence = angle of reflection.

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A concave mirror is also known as a:

  1. plane mirror
  2. converging mirror
  3. convex mirror
  4. diverging mirror
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Correct answer: B. converging mirror

A concave mirror converges parallel rays, so it is a converging mirror.

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A convex mirror is also known as a:

  1. concave mirror
  2. converging mirror
  3. diverging mirror
  4. plane mirror
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Correct answer: C. diverging mirror

A convex mirror diverges parallel rays, so it is a diverging mirror.

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