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Science Light - Reflection and Refraction Class 10 Assertion and Reason Questions

Assertion Reasoning Quiz · Class 10 · Science · CBSE

Preparing for CBSE

Chapter 9 Class 10 - Light - Reflection and Refraction | 7 questions | about 6 minutes

Practise Light - Reflection and Refraction Class 10 with Teachoo's Assertion Reasoning Quiz (Class 10 · Science · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 7
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Question 1 of 7
Assertion (A): Plane mirror may form real image.
Reason (R): Plane mirror forms virtual image, if object is real.
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Question 2 of 7
Assertion (A): The image formed by a concave mirror is certainly real if the object is virtual.
Reason (R): The image formed by a concave mirror is certainly virtual if the object is real.
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Question 3 of 7
Assertion (A): Refractive index of glass with respect to air is different for red light and violet light.
Reason (R): Refractive index of a pair of media depends on the wavelength of light used.
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Question 4 of 7
Assertion (A): An object is placed at a distance of f from a convex mirror of focal length f, its image will form at infinity.
Reason (R): The distance of image in a convex mirror can never be infinity.
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Question 5 of 7
Assertion (A): The focal length of the convex mirror will increase, if the mirror is placed in water.
Reason (R): The focal length of a convex mirror of radius R is equal to, f = R/2.
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Question 6 of 7
Assertion (A): If the rays are diverging after emerging from a lens; the lens must be concave.
Reason (R): The convex lens can give diverging rays.
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Question 7 of 7
Assertion (A): The refractive index of diamond is √6 and refractive index of a liquid is √3. If the light travels from diamond to the liquid, it will be internally reflected when the angle of incidence is 30°.
Reason (R): μ = 1 / sinC, where μ is the refractive index of diamond with respect to liquid.
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