6
Question
(a) State two uses of concave mirror.
(b) State two uses of convex mirror.
(b) State two uses of convex mirror.
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Solution
(a) Two uses of concave mirror are :
(1) Concave mirror is used as AREFLECTOR in head lights of cars and in search light. Th e source of light (bulb) is placed at the principal focus and the reflector forms parallel beam of light.
(2) For doctors to examine throat, ear, nose and eyes, light is focused with the help of concave mirror.
(b) Two USES OF CONVEX MIRROR:
(i) It is used as A REAR VIEW MIRROR.
(ii) It is used as a VIGILANCE MIRROR
(iii) It is used as a REFLECTOR IN STREET LAMPS.
(1) Concave mirror is used as AREFLECTOR in head lights of cars and in search light. Th e source of light (bulb) is placed at the principal focus and the reflector forms parallel beam of light.
(2) For doctors to examine throat, ear, nose and eyes, light is focused with the help of concave mirror.
(b) Two USES OF CONVEX MIRROR:
(i) It is used as A REAR VIEW MIRROR.
(ii) It is used as a VIGILANCE MIRROR
(iii) It is used as a REFLECTOR IN STREET LAMPS.
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