Advertisements
Advertisements
प्रश्न
Which of the following can be used to form a real image?
पर्याय
Concave mirror only.
Plane mirror only.
Convex mirror only
Both concave and convex mirrors.
उत्तर
Concave mirror only.
APPEARS IN
संबंधित प्रश्न
The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rear view mirror the image of truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be ______.
If an object is placed between two mirrors which are parallel to each other, the number of images formed is ______.
A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from the top.
In which of the following, the image of an object placed at infinity will be highly diminished and point sized?
The ______ of a mirror determines the type of image it forms.
The ______ is an optical device with a polished surface that reflects the light falling on it.
Curved mirrors form the perfect image of an object.
Assertion: The mirrors used in searchlights are parabolic and not concave spherical.
Reason: In a concave spherical mirror the image formed is always virtual.
Car rearview mirrors carry a warning message that “objects in the rearview mirror are closer than they appear”. Why do you think this is so?
