Question

please help me please the 17 one​

Answer 1

in plane mirror image formed is virtual and erect...

so,

if milli is standing in front of it at 3m

so total distance between the image and object is 3+3=6 m

now,she moved 2 m towards the mirror

so,

3-2=1

image formed is 1+1=2 m

because distance is also equal

Answer 2

#HEYA MATE #

HERE IS YOUR ANSWER ☞

LET DISTANCE BETWEEN MIRROR AND IMMAGE BE (V)

AND DISTANCE BETWEEN HER AND MIRROR BE (U)

THEN DISTANCE BETWEEN MILLI AND IMMAGE WOULD BE =U+V

(WE KNOW THAT OBJECT DISTANCE WHICH IS MILLI'S POSITION AND IMMAGE DISTANCE ARE EQUAL IN PLANE MIRROR)

SO, U+V =6+6

=12M

IF SHE MOVES 2M THEN SUBTRACT 2 BOTH THE SIDES

HER DISTANCE FROM IMMAGE WOULD BE

=V-2+U-2

=6-2+6-2

=4+4

=8M

▄︻̷̿┻̿═━一SO, YOUR ANSWER IS D(8M)

HOPE IT HELPED

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