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Chapter 9 Class 10 - Light - Reflection and Refraction | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
CBSE Board Exam 2020
Consider the following properties of virtual images:
(i) cannot be projected on the screen
(ii) are formed by both concave and convex lens
(iii) are always erect
(iv) are always inverted

The correct properties are:
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Question 2 of 5
NCERT Exemplar
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
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Question 3 of 5
NCERT Exemplar
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
combinations for the magic mirror from the top.
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Question 4 of 5
NCERT Exemplar
A beam of light is incident through the holes on side A and emerges out of the holes on the other face of the box as shown in the Figure 10.4. Which of the following could be inside the box?
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Question 5 of 5
NCERT Exemplar
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in Fig. 10.7?
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