hellenjones30p0kvtl
25.08.2020 •
Physics
An object is placed at a distance of 10 cm from a convex mirror of focal length 20 cm Find
the
position and nature of the image. Draw the ray diagram.
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Ответ:
HELLO JHUVI THE PROBLEM IS VERY EASY
FIRST,
F=5.8X10^2N & DISPLACEMENT (D)=8M
NOW, WORK=FORCE (F) X DISPLACEMENT (D)
SO WORK =5.8X10^2X8 = 4640 N/M
SO WE HAVE WORK WHICH IS 4640 N/M
SECOND,
POWER = WORK /TIME
SO, POWER = 4640/15 (T=15 MIN GIVEN IN QUESTION)
SO POWER = 309 WATT
THATS IT SIMPLE