Advertisements
Advertisements
प्रश्न
Light travels in the same straight line path while passing through different media.
पर्याय
True
False
Advertisements
उत्तर १
False.
उत्तर २
False.
APPEARS IN
संबंधित प्रश्न
An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image.
Which type or mirror is usually used as a rear-view mirror in motor cars?
Draw a labelled ray diagram to show the formation of image of an object by a convex mirror. Mark clearly the pole, focus and centre of curvature on the diagram.
Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object. The mirror then must be:
(a) plane
(b) concave
(c) convex
(d) either concave or convex
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
An object is placed at the following distance from a convex lens of focal length 15 cm:
(a) 35 cm
(b) 30 cm
(c) 20 cm
(d) 10 cm
Which position of the object will produce:
(i) a magnified real image?
(ii) a magnified virtual image?
(iii) a diminished real image?
(iv) an image of same size as the object?
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
A boy is standing at a distance of 3m in front of a plane mirror. The distance between the boy and his image is ______m.
As you move an object always from a convex mirror, its image becomes ______
and moves towards ______.
Which type of mirror is used in the following?
Street lights
