Arrange air, glass and water in terms of descending order of refractive index.
(i) The refractive index of kerosene is 1.44,"
(ii) A ray of light strikes a glass slab at an angle of incidence equal to 30Â°.
The refractive index of diamond is 2.42 and that of glass is 1.52.
A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50 cm from the mirror.
A concave mirror of focal length f can form a magnified, erect as well as an inverted image of an object place in front of it.
An object is placed at 2 F1 in front of a convex lens. What is the
A convex lens made of a material of refractive index n2 is kept in a medium of refractive index n1.
When an object is placed at a distance of 60cm from a convex spherical mirror, the magnification produced is 1/2.
The magnification produced by a spherical mirror is -3.
If the magnification of a body of size 1 m is 2. What is the size of the image?
A student wants to project the image of a candle flame on a screen 48 cm in front of a mirror by keeping the flame at a distance o..
(i) An object 1 cm high produces a real image 1.5cm high when placed at a distance of 15cm from a concave mirror.
(ii) Write two u..
The absolute refractive indices of glass and water are 4/3 and 3/2,
(i) Draw a ray diagram to show the refraction of light
(ii) If the refractive index of glass for light going from air to glass is..
Draw a labelled diagram showing how an image of a small size can be projected on large screen
Write the relationship of object distance (u), image distance (v) and focal length (f).
A ray of light is refracted as shown in figure.
A light ray enters from medium A to medium B as shown in the figure.
When light of two colours A and B is passed through a plane boundary; A is bent more than B.
(i) In refraction of light through a rectangular glass slab
(ii) What happens when a light ray is incident normally
If p,q and r denote the object displace, image distance and the radius of curvature respectively,
A ray of light is incident on a concave mirror after passing through the centre of curvature. What is the angle of incidence?
You are given water, mustard oil, glycerine and kerosene.
Due to which property of light, sharp shadows of opaque objects are obtained?
Figure shows a ray of light as it travels from medium A to medium B.
An object of height 8 cm is placed at a distance of 40cm infront of a convex lens of focal length 20cm. The size of image is
If the image formed by a mirror for all positions of the object placed in front of it is always erect and diminished, what type of..
The path of a ray of light coming from air passing through a rectangular glass slab traced by four students shown as A, B, C and d..
When a plane mirror is placed horizontally on levelled ground at a distance of 40 m from the foot of a tower, the top of the water..
Beams of light are incident through the holes A and B and emerge out of box through the holes c and d respectively as shown in the..
A concave lens made of a material of refractive index
What is minimum distance between an object and its real image formed by a convex lens?
Define 1 D of power of lens.
Find out from table given below, the medium having highest optical density.
A ray is incident on a plane mirror as shown in figure.
The refractive index of diamond is 2.42.
Light enters from air to glass having refractive index 1.50.
find the power of concave lens of focal length 2m.
You are given kerosene, turpentine and water.
Find the focal length of a convex mirror whose radius of curvature is 32cm.
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