EASY
10th CBSE
IMPORTANT
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Which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in above figure?

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Important Questions on Light – Reflection and Refraction

EASY
10th CBSE
IMPORTANT
Which of the following ray diagram is correct for the ray of light incident on a lens shown in the figure?
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EASY
10th CBSE
IMPORTANT
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.
EASY
10th CBSE
IMPORTANT
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
EASY
10th CBSE
IMPORTANT

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

Object is placed between the device and its focus, image formed is enlarged and behind it. 

EASY
10th CBSE
IMPORTANT

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

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

EASY
10th CBSE
IMPORTANT

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

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

EASY
10th CBSE
IMPORTANT

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

Object is placed between the infinity and device, image formed is diminished and between pole and focus, behind it 

MEDIUM
10th CBSE
IMPORTANT
Why does a light ray incident on a rectangular glass slab immersed in any medium emerge parallel to itself? Explain using a diagram.