Advertisements
Advertisements
प्रश्न
Which type of mirror is used in the following?
Street lights
उत्तर
Convex mirror
APPEARS IN
संबंधित प्रश्न
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be ______.
If you want to see an enlarged image of your face, state whether you will use a concave mirror or a convex mirror?
Which mirror always produces a virtual, erect and diminished image of an object?
An object is placed at a long distance in front of a convex mirror of radius of curvature 30 cm. State the position of its image.
Which type or mirror is usually used as a rear-view mirror in motor cars?
What is the advantage of using a convex mirror as rear-view mirror in vehicles as compared to a plane mirror? Illustrate your answer with the help of labelled diagrams.
Give two uses of a convex mirror. Explain why you would choose convex mirror for these uses.
Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of C if the focal length of convex mirror is 3 cm.
Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.
The image formed by a convex mirror is
A driver uses a convex mirror as a rearview mirror. Explain the reason with the help of a ray diagram.
A 5 cm tall object is placed perpendicular to the principle axis of a convex lens of focal length 12 cm. The distance of the object from the lens is 8 cm. Using the lens formula, find the position, size and nature of the image formed.
Nature of the images formed by a convex mirror is _______.
State whether true or false. If false, correct the statement.
The convex mirror always produces a virtual, diminished and erect image of the object.
A full length image of a distant tall building can definitely be seen by using ______.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.
The Convex mirror always forms ______ and ______ image.
The image formed by a convex mirror is always ______.
Higher-Order Thinking Skills:
A convex mirror is in water. What should be the change in its focal length?
Match the following.
| Column I | Column II |
| Convex mirror | Radio telescopes |
| Parabolic mirror | Rear-view mirror |
| Snell’s law | Kaleidoscope |
| Dispersion of light | sin i/sin r =μ |
| Refractive index | Rainbow |
