Test-MCQ Class 10-NCERT -Science-Chapter 10-Test-1

1. Hold a highly polished steel spoon curved inwards close to your face and move it slowly away from your face. What will you observe?

2. Which one of the following materials cannot be used to make a lens?

3. No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be

4. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?

5. An object AB is placed in front of a convex lens at its centre of curvature as shown in figure below. 

Four students traced the path of light ray after refraction through the lens. Which one of them is correct?

6. A spherical mirror and a thin spherical lens have each of a focal length -15 cm. The mirror and lens are likely to be.

7. Which of the following can make a parallel beam of light when light from a point source is incident on it?

8. Under which of the following conditions, a concave mirror can form an image larger than the actual object?

9. A light ray enters from medium A to medium Bas shown in the figure. The refractive index of medium B relative to A will be

10. Figure shows a ray of light as it travels from medium A to medium B. Refractive index of the medium B relative to medium A is

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