[" 14.Which mirror is to be used to "],[" obtain a parallel beam of light from a "],[" small lamp? "]

Which mirror is to be used to obtain a paralle beam of light from a small lamp?

Which mirror should be used to obtain a parallel beam of light from a small lamp, placed in front of the mirror ?

To obtain the powerful parallel beams of light from a vehicle's headlighl, one must use

To produce a parallel beam of light from a point source one should use a

Which type of reflector is used in car headlights for producing a parallel beam of light ?

Which mirror is used as a toch reflector ? Draw a labelled diagram to show how a torch reflector can be used to produce a parallel beam of light. Where is the bulb placed in relation to the torch reflector ?

A concave mirror is used as a reflector in torches, head lights of automobiles etc, to obtain a parallel beam of light. State the position of the source of light on the principal axis to obtain the parallel beam.