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10th CBSE
IMPORTANT
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In torches, search lights and headlights of vehicles the bulb is placed

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Important Questions on Light : Reflection and Refraction

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10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 13
The laws of reflection hold good for
MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 14

The path of a ray of light coming from air passing through a rectangular glass slab traced by four students are shown as A, B, C and D in figure. Which one of them is correct?

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EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 15
You are given water, mustard oil, glycerine and kerosene. In which of these media, a ray of light incident obliquely at the same angle would bend the most?
EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 16

Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in the figure?

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EASY
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 17

Which of the following ray diagram is correct for the ray of light incident on a lens shown in the figure? Choices are given in figure    Question Image

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MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 18
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combination for the magic mirror from the top.
MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 19
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
MEDIUM
10th CBSE
IMPORTANT
ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>NCERT Exemplar Problems>Q 20

Identify the device used as a spherical mirror or lens in following cases, when the image formed is virtual and erect in each case.

(a) Object is placed between device and its focus, image formed is enlarged and behind it.

(b) Object is placed between the focus and device, image formed is enlarged and on the same side as that of the object.

(c) Object is placed between infinity and device, image formed is diminished and between focus and optical centre on the same side as that of the object.

(d) Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.