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- 1. Multiple Choice
Focal length of plane mirror is
At infinity
Zero
Negative
None of these
- 2. Multiple Choice
Image formed by plane mirror is
Real and erect
Real and inverted
Virtual and erect
Virtual and inverted
- 3. Multiple Choice
A concave mirror gives virtual, refract and enlarged image of the object but image of smaller size than the size of the object is
At infinity
Between F and C
Between P and F
At E
- 4. Multiple Choice
A concave mirror gives real, inverted and same size image if the object is placed
At F
At infinity
At C
Beyond C
- 5. Multiple Choice
In optics an object which has higher refractive index is called
Optically rarer
Optically denser
Optical density
Refractive index
- 6. Multiple Choice
Diagram shows a phenomenon occurs when the spotlight is directed onto a mirror surface. What is the principle of light shown in the situation?
Light travels in a straight line
Refraction of light
Reflection of light
Light travels in parallel
- 7. Multiple Choice
The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?
- 8. Multiple Choice
When does the light is refracted?
When light travels in a straight line
When light is bounced
When light travels in two different mediums
When light cannot pass through an opaque object
- 9. Multiple Choice
Diagram shows the condition of a spoon in a glass of water.
What can be observed about the spoon?
The spoon looks bent.
The water is clearer.
The water level rises.
Light is refracted.
- 10. Multiple Choice
What causes the formation of a rainbow?
Light travels in a straight line
Reflection of light
Refraction of light
Light in bounced in two different mediums
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