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A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).
Define the following term in the context of spherical mirrors:- Principal focus
What type of image is formed:
on a cinema screen?
What type of mirror can be used to obtain a real image of an object?
Does the mirror mentioned in part (b) form real image for all locations of the object?
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
Define the following term in relation to concave mirror.
Principal focus
What is the relation between focal length and radius of curvature of a concave mirror?
The boxes in figure (a, b, c) represent mirrors; insert a mirror which will reflect the incident ray as shown in the diagram.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
