EASY
10th CBSE
IMPORTANT
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Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in figure. Which of the following could be inside the box?
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Important Questions on Light : Reflection and Refraction

HARD
10th CBSE
IMPORTANT

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 figure. Which of the following could be inside the box?
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MEDIUM
10th CBSE
IMPORTANT

Which of the following statement is true?

 

MEDIUM
10th CBSE
IMPORTANT
Magnification produced by a rear-view mirror fitted in vehicles :
MEDIUM
10th CBSE
IMPORTANT
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?
EASY
10th CBSE
IMPORTANT

A full length image of a distant tall building can definitely be seen by using

MEDIUM
10th CBSE
IMPORTANT

In torches, search lights and headlights of vehicles the bulb is placed

EASY
10th CBSE
IMPORTANT
The laws of reflection hold good for
MEDIUM
10th CBSE
IMPORTANT

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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