A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure. The pencil of light coming out of the hole falls on a mirror. Torch and point 'A' are equidistant from 'C'.



At which point should the eye be placed, so that the hole can be seen?

Q. A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the figure. The pencil of light coming out of the hole falls on a mirror.


At which point should the eye be placed, so that the hole can be seen?

Q.

A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of the eye with respect to the position of the bulb is shown in the figure as A, B, C and D. In which position mirror will be visible?

Q. A tiny mirror M is fixed on a piece of cardboard placed on a table. The cardboard is illuminated by light from a bulb. The position of eye with respect to position of bulb is shown in Fig. as A, B, C and D. In which of the shown figure, the light will be visible to eye?

Q. Fill in the blanks:
(a) Sole proprietorship is the _______ from of business enterprises, (latest / oldest)
(b) Sole proprietorship is most suitable form for _______ business, (small / large)
(c) Liability of a sole proprietor is ________ (limited / unlimited)
(d) Sole proprietorship _______ a separate legal entity, (has / does not have)
(e) It is ______ to set up a sole proprietorship firm,(easy / difficult)

Q. Observe the figure given below:

Which of the following objects should be placed at A so that the light from the torch falls on screen B?