Reflection and refraction of light
This is an objective type test based on chapter 10 of class X NCERT.
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1. Which of the following can make a parallel beam of light when light from a point source is incident on it?
1 point
2. A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is
1 point
3. Under which of the following conditions a concave mirror can form an image on a screen larger than the actual object?
1 point
4. A light ray enters from medium A to medium B as shown in Figure given below. The refractive index of medium B relative to A will be
1 point
5. 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 given below. Which of the following could be inside the box?
1 point
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