Reflection by Spherical Mirrors

Practice Questions:

Question 1: easy

An object is placed on the principal axis of a concave mirror of focal length 10 cm at a distance of 8 cm from the pole. Find position and nature of the image :

1. 40 cm, Real

2. 40 cm, Virtual

3. 20 cm, Real

4. 20 cm, Virtual

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Question 2: easy

A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at :

1. Infinity

2. Pole

3. Focus

4. 15 cm behind the mirror

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Question 3: easy

Mark the correct options :

1. If the reflected rays are converging, we have a real object

2. If the final reflected rays are converging, we have a real image

3. The image of a virtual object is called a virtual image

4. If the image is virtual, the corresponding object is called a virtual object

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Question 4: easy

Which of the following (referred to a spherical mirror) depend on whether the rays are paraxial or not ?

1. Pole

2. Focus

3. Radius of curvature

4. Principal axis

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Question 5: easy

The image of an object placed perpendicular to the principal axis of a mirror, will be erect if :

1. The object and the image are both virtual

2. The object is real but image is virtual

3. The object is virtual but image is real

4. Both (2) and (3)

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