Two mirrors are inclined at an angle of 50Â° . The number of images formed for an object placed in between the mirrors is
a person is in a room whose ceilling and two adjacent walls are mirrors.How many images are formed
An object is at a
A man length h requires a mirror
a thin glass (refractive index 1.5) lens has optical power of
A real object is placed at a distance f from the pole of a convex mirror, in front of the convex mirror. If focal length of the mi..
A man runs towards mirror at a speed of
The far point of myopia person is 80 cm in front of his eye. The power of the lens required to see very distant objects is
The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by
Two plane mirrors arc inclined at an angle . It is found that a ray incident on one mirror at any angle is rendered parallel to it..
Two plane mirrors are perpendicular to each other. A ray after suffering reflection from the two mirrors will be
Two mirrors at an angle
The magnifying power or a telescope is m. If the focal length of the eye piece is halved, then its magnifying power is
VAn object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at
A beam of light from a source L is incident normally
If two mirrors are kept at 60Â° to each other, then the number of images formed by them is
An astronomical telescope has objective and eye piece lenses of powers 0.5 D and 20 D. respectively. What will be its magnifying p..
To get three images of a single object, one should have two plane mirrors at an angle of
A small object is placed 10cm infront of a plane mirror
A plane mirror reflects is a pencil of light to form a real image
A ray of light is incident on a plane mirror at an angle of 60 degree . The angle of deviation produced by the mirror is
A light beam is being reflected by using two mirrors, as in a periscope used in submarines
Where should a person stand straight from the pole of a convex mirror of focal length 2.0 m on its axis, so that the image formed ..
Two plane mirrors are at right angles to each other
Two plane mirror are inclined to each other such that a ray of light incident on the first mirror
The power of plane mirror is
A thick plane mirror shows a number of images of the filament of an electric bulb
When light wave suffres reflaction at the interface from air to glass
A man is 180cm tall and his eyes are 10cm below the top of his head
the refractive index of glass is 1.520 for red light and
two point white dots are 1mm apart on a block paper on a block paper.
an object 2.4 m in front of a lens forms a sharp image on a film
two coils are placed closed to each other. the mutual
A plane mirror produces a magnification of
If sound travelling at 340 ms^-1 enters water where its speed becomes 1480 ms-^-1, then critical angle for total internal reflecti..
In order to increase the angular magnification of a simple microscope, one should increase
To get three images of a single object one should have two plane mirrors at an angle of
Which mirror is to be used to obtain a parallel beam of light from a small lamp?
If the aperture of a telescope is decreased the resolving power will
in an oscillating lc circuit, the maximum charge in the capacitor is q. the charge on the capacitor when the
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