Two convex lenses with focal lengths of 30cm are placed 100cm apart. An object is placed 15cm in front of the first lense. Determine the position and magnification of the final image due to both lenses.
In a young double slit experiment the separation is 0.05cm and the distance between the double slit and screen is 200cm when blue light is used , the distance of the interference pattern is 0.13cm
A beam of monochromatic light of wavelength 4.0*10-7m in air passes into glass of refractive index there for the speed of light in a air is 3*10m/s calculate 1 the speed of light in glass 2 the frequency of light 3 the wavelength of light in glass
The diver sees the sun at an angle of 50 ° above the horizon. Find the angle at which a fisherman in a boat on the surface of the water sees the Sun, again relative to the horizon. The refractive index of water is 1.33.
What is the focal length of a convex mirror which produces an image that appears 15.0 cm behind the mirror when the object is 27.5 cm from the mirror?
force of 16 N acts tangent to the edge of a solid cylinder weighing 18 N and which has a
diameter of 76 cm. Determine the kinetic energy of the cylinder after 15 s.
The word ESUT is printed on a sheet of cardboard which is held in front of plane mirror.describe the image seen in the mirror
An erect image,four times the size of the object is obtained with a concave mirror of radius of curvature 48cm. What is the position of the objects
Show that the radius of curvature of a mirror is twice the focal length
The image of an object in a convex mirror is 4cm from the mirror. If the mirror has a radius of curvature of 24cm,find the position of the object and the magnification